[45# High Speed Steel Material] Made of hardened and tempered tool steel(45# steel) with precision ground cutting edges,more hardness and durable. Grinding process,Smooth cutting,Smooth chip removal,Special tools for drilling holes in woodworking High precision and portability for woodworking. {T-Handle Design Hand Tapered Reamer] Easy turning and sure handling .The degree of the taper is:106 flutes ,Taper: 1:10 ,Blade length: 92mm ,Total length: 140mm ,Shank diameter: 16mm. [Smoother holes with bare hands ] 1. Holes in hard woods need to be drilled small first and then reamed with a reamer 2. Softwoods can be drilled directly with a cone reamer. [Sharp blade with smooth chip removal] Perforation Accurate to 0.1 mm,Optimized steel for overall forging, with a unique groove for smooth chip removal,Fast drilling speed.. [Use]: Suitable for making tapered holes in wooden boards, chamfering, easy to sink holes for screws, convenient and quick, one drill can replace a large or small chamfering bit..
