When rotated, eccentric spacers accurately position V-wheels on a plate such that they can firmly engage V-slot aluminum extrusions. They are only used on wheels on one side of an extrusion. Adjustments are made by using a 8mm wrench on the spacer itself.
Material: Stainless Steel
Height: 6mm (not including rim)
Rim: Fits into a 7.12mm hole
Divot: Indicates shortest distance from rim to bore