1[Stable and Precise Sharpening] This honing guide system ensures the chisel edge remains stable and consistently positioned at a right angle on the sharpening stone. 2[Sharpening Angle Device] The angle fixture provides precise references for the main bevel angle, ranging from 15 to 45 in 5 increments, with an additional 2 micro bevel for each main angle. 3[Easy and Quick Operation] Each angle has a positive locking pin alignment, making repeat sharpening fast and effortless. 4[Reliable Material] The sharpening holder is made from aluminum alloy, brass, and stainless steel materials, ensuring wear resistance and corrosion resistance. 5[Practical Woodworking Tool] This chisel sharpening kit is a practical tool for woodworkers, allowing for efficient and precise sharpening of chisels and planes.