Feature 1、【20PCS Valves Seat Cutter】The valves seat reamer tool set can satisfy all your needs and work perfectly on your motorcycle,really an ideal valves seat cutting tool. 2、【Easy to Use】The valves seat cutter kit with a grinding head. After the reamer is hinged, it is very easy to grind with a grinding head for several weeks. After it is skilled, it will not leak if it is not grained. 3、【Detail Specifications】12 Winch：20*30 degrees, 23*30 degrees, 26*30 degrees,30*30 degrees,22*45 degrees,24*45 degrees,27*45 degrees, 31*45 degrees,22*58 degrees,24*58 degrees,27*58 degrees,31*58 degrees; 4 Grinding Head:21*45 degrees, 24*45 degrees, 26*45 degrees, 30*45 degrees,2 pieces toolholder with a rod driver,1 blind nut. Features: 【20PCS Valves Seat Cutter】The valves seat reamer tool set can satisfy all your needs and work perfectly on your motorcycle,really an ideal valves seat cutting tool. 【Easy to Use】The valves seat cutter kit with a grinding head. After the reamer is hinged, it is very easy to grind with a grinding head for several weeks. After it is skilled, it will not leak if it is not grained. 【Detail Specifications】12 Winch：20*30 degrees, 23*30 degrees, 26*30 degrees,30*30 degrees,22*45 degrees,24*45 degrees,27*45 degrees, 31*45 degrees,22*58 degrees,24*58 degrees,27*58 degrees,31*58 degrees; 4 Grinding Head:21*45 degrees, 24*45 degrees, 26*45 degrees, 30*45 degrees,2 pieces toolholder with a rod driver,1 blind nut. 【Sturdy and Durable】The valves tool set is made of high-quality alloy material, which is strong, not easy to deform, and more durable for long lasting use. 【Easy to Storage and Carry】This motorcycle repairing cutter valves tool comes with a storage box, which is better conservation of tools,and convenient for storing and easy to carry. Specifications: Material: Carbide Package Size: 230 * 200 * 65mm / 9.0 * 7.8 * 2.5in Package Weight: 1.15kg / 40.3oz Packing List: 12 * Winch 4 * Grinding head 2 * Toolholder 1 * Blind nut 1 * Storage Case 1 * Instruction Package List 12 * Winch 4 * Grinding head 2 * Toolholder 1 * Blind nut 1 * Storage Case 1 * Instruction