Feature: 1. Impact Resistance: Strong hardened steel body with anti rebound design, high accuracy, special impact resistance, sturdiness and durability. 2. Ideal Woodworking Tool: Cutting perfect fit (V‑groove) tongue and groove joints, ideal accessory for floor and siding panels shaping. 3. Wide Use: A woodworking tool suitable for wooden doors and cabinets made of medium density fiberboard, solid wood, particleboard, plywood, etc. 4. Packaging: Including one single edged tenon knives and one double edged tenon knives for grooving and tenoning operations respectively. 5. DIY Projects: Woodworking tenon knives can also be used for the joints of DIY projects. The cutting is very clean and everything blends perfectly. Specification: Item Type: Woodworking Cutter Size: Tool Handle Diameter Approx. 8mm / 0.3in, Cutter Head Diameter Approx. 36.5mm / 1.44in Material: YG6 Primary Alloy +45# Carbon Steel Balance: ±0.003in Tolerance Uses: Used for wood slotting and mortising. Package List: 1 x Single Edged Tenon Knife1 x Double Edged Tenon Knife2 x Storage Box