11203 5/8-Inch Diameter by 3/8-Inch Wide Contact Arm Assembly, Rubber Wheel with 1/2-Inch Wide Platen for 1/2-Inch Wide by 18-Inch Length Belts, Silver. Grind over contact wheel of platen Superior belt tracking For use on metal, plastic, fiberglass, composites, rubber, glass and stone Industrial-rated for tough production performance Product Description 11203 Model Code: AA (part# 11203) This item features: -Standard on models 40335 and 40500. -Unique offset design. -Strap polishing is easy with this arm. -Standard on models 40320 and 40330. -6 3/4'' workable reach. -Applications: Grinding, Sanding. -Brand Name: Dynafile . -Quantity: 1. -Type: Contact Arm. -Price is for 1 Each. Model Code Model Description AABelt Length:18 in, Belt Width:1/2 in, Includes:Contact Wheel Assembly, Platen Pad 11025, Wheel Diam:5/8 in, Wheel Material:Rubber, Wheel Width:3/8 in ABBelt Length:18 in, Belt Width:1/8 in, 1/4 in, 5/16 in, 1/2 in, Includes:Contact Wheel Assembly, Wheel Diam:1 in, Wheel Material: