Features 1、Top Carbide Ball Bearing: Accumulation and heat resistant PTFE coating, equipped with top carbide ball bearing, used to accurately flush the edges of wood 2、45# Steel Cutters: Contain 4 pieces of 45# steel cutters, hard steel body, anti kickback design, easy to operate 3、Fast, Smooth and Accurate Trimming: Ideal flush trimming cutter for fast, smooth and accurate trimming of laminates and templates, which can be completely sealed and lubricated 4、4 Different Cutting Diameter: Come with 1/4 shank, the cutting diameter is different of 1/4in, 5/16in, 3/8in, 1/2in 5、Bright Color: Red and silver color, bright and obvious, easy for you to use and observe, guarantee safety Specification Item Type: Flush Trim Router Bit Material: 45# steel + cemented carbide Purpose: Bearing flush trimming cutter Color: Red + silver Shank Diameter: 1/4in Cutting Diameter: 1/4in, 5/16in, 3/8in, 1/2in Package List 4 x Flush Trim Router Bit