Make perfect box joints with speed and ease by using our precision carbide cutters. Strong, beautiful box joints are ideal for jewelry box drawers, humidors and a variety of small projects. The long 1/2" arbor holds 5 (5/32") three-wing, carbide-tipped slot cutters, 4 spacers and a ball bearing guide. Use in router table only. The bearing is designed for 1/2" depth of cut, but make shallower cuts by adjusting your router fence. Use stock up to 1/2" thick.