Yonico 31350-SC Up Cut 3 Flute CNC Router Bit, 3/8 x 1-1/4" Industrial Quality Router Bits Cutting Diameter: 3/8" Cutting Length: 1-1/4" Shank Diameter: 3/8" Overall Length: 2-1/2" Premium Quality Carbide Industrial CNC Router Bit Satisfaction Guaranteed & Lifetime Warranty