For the ultimate, chip-free finish in Laminate, melamine, solid surface, fragile veneers and for template work of all kinds. The twin ball-bearing pilot enhances the stability of the tool. Available, n 'Up-cut' And 'down-cut' Spirals., #46304, Specification, direction Up-cut, diameter (D) 1/2, cutting Height (B) 2, shank (D) 1/2, overall length (L) 5, type Up-cut, replacement bearing, 7701 (2), washer 67053, locking ring 47752, L1 5/32, flutes 2, 46304 Solid Carbide ultratrim spiral 1/2 dia x 2 inch x 1/2 shank with double lower ball bearing Up-cut