Palm Rest Technical Specifications

Hole spacing, base 1.82"
Length of base 2 5/16"
Width of base 13/16"
Thickness of base 3/16"
Base attach and link screws 10-32
Threading on staff 25 tpi
Palm rest height 5 - 7 3/4"
(shorter staff available upon request)
Adjustment range 2 3/4"
Knob diameter 2 1/2 or 3", the 3" is the most popular; Schoyen is irregular