What's the difference between diamond laps and full face diamond laps?

Diamond laps have a 1/2" arbor hole to fit on the left shaft of both 6" and 8 models. Diamond laps are available in both 6" and 8" diameters. Full face diamond laps have a 1/4"-20 thread on the backside to fit on the right shaft of both 6" and 8 models. Full face laps are only available in a 6" diameter but can be used on either hans lapidary grinder machine. There is no difference in how these laps are manufactured. Both of these laps are nickel electroplated with premium diamond grit.Learn more about our diamond laps at https://www.lapidarytool.com/mall/diamond-lapidary-tools/lapidary-flat-lap.html