1. Material: chrome vanadium steel 2. Suitable for car tire disassembly and some engine maintenance 3. High hardness, good toughness, wear resistance, anti-corrosion 4. With box, easy to store and take 5. Product includes: 1/2 short sleeve (8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/24/27/30/32mm) , combination wrench (8/9/10/11/12/13/14/15/17/18/19mm), 1/2 ratchet wrench, spark plug sleeve (16/21mm) 1/2 multi-function slide bar, 1/2 universal joint
