1/4-20 threaded mounting screw holes are 4' (100mm) & 5.2' (132mm) apart (hardware not included)
Soft polyurethane pads
Cut-out area on underside of arm pad for mounting fixed or adjustable arms measures 7 3/4' long and side to side tapers down from 2 5/8' wide toward the back and 2 1/8' toward the front
Universal - left or right side (both are the same) - Sold as a pair - Set of 2
