Office Master Arms Comparison Chart

Model

Arms Type

Description

Affirm

Discovery Back

OM5 Series

Paramount Value Series

Paramount Series

Patriot

PC Series

YES Series

Zesta Series

Maxwell Series

Intensive Use 24-seven
  Fixed Height                        

AR-11

Fixed Height

Fixed cantilever arm for Affirm Series only

X

                    

KR-48

Fixed Height

Fixed height loop arms with soft padding and modern contoured design

  

X

  

X

X

X

X

 X X X X

ETR-1

Fixed Height

Fixed height closed loop arms

   X   X X X X X X   X
        Height Adjustable Only                        
MR5

Height Adjustable Only

Height adjustable standard arm

    X                
KR-21

Height Adjustable Only

Up/down contoured height adjustable T arm; range = 2.25"- dial adjustment

X

 X   X X X X X X X X
KR-25

Height Adjustable Only

Up/down contoured height adjustable T arm; range = 2.75"- trigger adjustment

 X X   X X X X X X X X
KR-25M

Height Adjustable Only

Up/down contoured height adjustable T arm; range = 2.75"- trigger adjustment with Memosoft pad

 X X   X X X X X X X X
JR-75

Height Adjustable Only

Height adjustable T arm with fabric armpads; Up/Down range = 2.25"

   X   X X X X X X X X
JR-BN Height Adjustable Only Height adjustable T arm with foldback feature; Up/Down range = 2.5" with trigger-style control and nylon upholstered armpads   X   X X X X X X X X
JR-77

Height Adjustable Only

Height adjustable T arm with molded armpads; Up/Down range = 4.25"

   X   X X X X X X X X
JR-77M Height Adjustable Only JR77 arm frame with Memosoft Armpads, height adjustable T arm with range of = 4.25"   X   X X X X X X X X
JR-90

Height Adjustable Only

Height adjustable closed loop arms; Up/Down range = 2.50"

   X   X X X X X X X X
JR-PD

Height Adjustable Only

Height adjustable T arm with foldback feature; Up/Down range = 2.5" with trigger-style control and Memosoft Armpads

   X   X X X X X X X X
  Height and Width Adjustable                        
KR-200 Height and Width Adjustable Up/down and width height adjustable T arm with natural grip control; Up/Down range = 2.75"- side to side width range = 1" side to side X X   X X X X X X X X
KR-200-45 Height and Width Adjustable Up/down and width height adjustable T arm with RP45 arm pads; Up/Down range = 2.75"- side to side width range = 1.25" side to side X X   X X X X X X X X
KR-200-65 Height and Width Adjustable Up/down and width height adjustable removable T arm with RP65 lockable arm pads; Up/Down range = 2.75"- side to side width range = 1.25" side to side X X   X X X X X X X X
KR-200M Height and Width Adjustable Up/down and width height adjustable T arm with natural grip control and Memosoft armpads; Up/Down range = 2.75"- side to side width range = 1" side to side X X   X X X X X X X X
KR-240M Height and Width Adjustable Lowest Up/down and width height adjustable T arm with natural grip control and Memosoft armpads; Up/Down range = 2.75"- side to side width range = 1" side to side X X   X X X X X X X X
KR-300 Height and Width Adjustable Tallest height, up/down and width height adjustable T arm with waterfall fron and contoured armpads; Up/Down range = 2.75"- side to side width range = 1" side to side and pivoting motion arm X X   X X X X X X X X
KR-300-45 Height and Width Adjustable Tallest height, up/down and width height adjustable T arm with RP45 arm pads; Up/Down range = 2.75"- side to side width range = 1.25" side to side X X   X X X X X X X X
KR-300-65 Height and Width Adjustable Tallest height, up/down and width height adjustable T arm with RP65 arm pads; Up/Down range = 2.75"- side to side width range = 1.25" side to side X X   X X X X X X X X
KR-300M Height and Width Adjustable Tallest height, up/down and width height adjustable T arm with waterfall front, contoured and Memosoft armpads; Up/Down range = 2.75"- side to side width range = 1" side to side and pivoting motion arm   X   X X X X X X X X
JR-69 Height and Width Adjustable JR39 arm with RP65 with maximum mobility Armpads. Up/down and width height adjustable forward-slanting T arm; Up/Down range = 4.25"- side to side width range = 1.75"" side to side and pivoting motion arm X X   X X X X X X   X
KR-465 Height and Width Adjustable Up/down and width height adjustable lockable T arm; Up/Down range = 2.75"- side to side width range = 1.25" side to side and pivoting motion arm X X X-MR65 X X X X X X X X
  Multiple Adjustments                        
KR-251M Multiple Adjustments Ultra mobility arm with extension, 3- stage swivel and unlimited inside pivoting on the lowest height; width adjustable and removable T-arms. Up/down and width height adjustable T arm; Up/Down range = 2.75"- side to side width range = 1" side to side X X   X X X X X X X X
KR-445 Multiple Adjustments Up/down and width height adjustable T arm; Up/Down range = 2.75"- side to side width range = 1" side to side and pivoting motion arm X X X-MR45 X X X X X X X X
KR-500 Multiple Adjustments Maximum mobility arms with full range of motion, extra wide arm top and wide range of motion; Up/down and width height adjustable lockable T arm; Up/Down range = 2.75"- side to side width range = 2" side to side X X   X X X X X X X X
KR-540 Multiple Adjustments Lower starting-height version of the KR-500. Maximum mobility arms with full range of motion, extra wide arm top and wide range of motion; Up/down and width height adjustable lockable T arm; Up/Down range = 2.75"- side to side width range = 2" side to side X X X-MR50 X X X X X X X X
KR-600 Multiple Adjustments Taller starting-height version of the KR-500. Maximum mobility arms with full range of motion, extra wide arm top and wide range of motion; Up/down and width height adjustable lockable T arm; Up/Down range = 2.75"- side to side width range = 2" side to side X X   X X X X X X X X
JR-39 Height and Width Adjustments Up/down and width height adjustable forward-slanting T arm with soft arm pads and natural grip control; Up/Down range = 4.25"- side to side width range = 1.75"" side to side; 2-way adjustable width/height X X   X X X X X X   X
JR-39M Height and Width Adjustments Up/down and width height adjustable forward-slanting T arm with soft arm pads and natural grip control with Memosoft Armpads; Up/Down range = 4.25"- side to side width range = 1.75"" side to side; 2-way adjustable width/height X X   X X X X X X   X
JR-49 Multiple Adjustments JR39 arm with RP45 Armpads. Up/down and width height adjustable forward-slanting T arm; Up/Down range = 4.25"- side to side width range = 1.75"" side to side and pivoting motion arm X X   X X   X X X   X
JR-59 Multiple Adjustments JR39 arm with RP50 with maximum mobility Armpads. Up/down and width height adjustable forward-slanting T arm; Up/Down range = 4.25"- side to side width range = 1.75"" side to side and pivoting motion arm X X   X X X X X X   X