COV - 8" Combo Unit Bearing Rock-Rascal Parts SE-Designed Steel Spike: Includes an

SE-Designed Steel Spike: Includes an SE-designed steel spike

The 12-inch Vibra Lap is similar to the 10-inch size but has an extra two inches in plate diameter

Great on wood for sanding

Quickly mount Diamond Pacific magnetic Nova laps to a no-hole spin-on back plate on your lapidary cabbing machine to work out the scratches left by grinding with magnetic plated diamond discs or spin-on plated laps

This unit still runs at 1725rpm

COV - 8" Combo Unit Bearing Rock-Rascal Parts SE-Designed Steel Spike: Includes anThis bearing is used on Covington's 8" combination units. It features a 1" arbor hole and a radius on the edge of the bearing. Combination units require 2 bearings.