Download arm height guide here!

Basic arms - fixed or height adjustment only

KR-21
Height adjustable with dial

office-master-KR-25-adjustable-T-arm.jpg

KR-25
Height adjustable with trigger
Memosoft pad: KR-25M

office-master-KR-32-adjustable-loop-arm.jpg

KR-32
Loop arms, height adjustable with dial

JR-77
Very tall, high durability, height adjustable
Memosoft pad: JR-77M

JR-90
Loop arms, high durability, height adjustable

KR-48
Fixed loop arms

ETR1
High durability fixed loop arms

ar-11.jpg

AR-11 (Affirm only)
Fixed loop arms, only compatible with Affirm series

Upgraded arms - height  and width adjustable

KR-200
Adjustments: height, width, easy removal
Memosoft pad version: KR-200M
 

KR-300
High version of KR-200 arms
Memosoft pad version: KR-300M

KR-240M
Low version of KR-200 arms
Standard with memosoft pad

KR-445
Adjustments: height, width, easy removal, pivoting/sliding armpad
Higher version: KR-200-45
Highest version: KR-300-45

office-master-KR-465-group-1-height-and-width-adjustable-T-Arms_100.jpg

KR-465
Adjustments: height, width, easy removal, pivoting/sliding armpad with button lock
Higher version: KR-200-65
Highest version: KR-300-65

office-master-KR-500-maximum-mobility-arm.jpg

KR-500
High durability
Adjustments: height, width, easy removal, pivoting/sliding very wide armpad
Higher version: KR-500
Highest version: KR-600

Extra Mobility and Specialty Arms

KR-251M
Adjustments: height, width, easy removal, 3-stage swivel and unlimited inside pivoting armpad

office-master-JR-BN-height-adjustable-T-arm.jpg

JR-PD
High durability fold-down arms
Adjustments: height, fold-down arm frame
Ballistic nylon pad version: JR-BN