Whiteside Spiral Upcut Bit, 1/2 in. SH x 1/2 in. CD x 1-1/2 in. CL features an up-cutting action that efficiently pulls chips up and out of mortises, slots, and holes, making it i for deep cutting applications where excellent chip is essential. Its 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 s durability and precision for your woodworking projects. The specifications include a 1/2 inch shank size, 1/2 inch cutting diameter, and 1-1/2 inch cutting length, making it a versatile tool for various routing tasks. Model Number: RU5150