Whiteside Left Hand Spiral Upcut Bit, 1/4 in. SH x 1/4 in. CD x 1 in. CL features an up-cutting action designed to pull chips up and out of mortises, slots, and holes, making it i for deep cutting applications where excellent chip is essential. The spiral shape delivers a shearing action that ensures extra smooth cuts regardless of the grain direction. Crafted from solid carbide and double fluted, this bit durability and precision. Please note, this bit is intended for use only in left hand (reverse rotation) routers. Specifications include a 1/4" shank size, 1/4" cutting diameter, 1" cutting length, and a 2-1/2" overall length, reflecting Whiteside Machine Company's commitment to quality and performance in Claremont, North Carolina. Model Number: LU2100