High quality Good metal coating surface and comfortable, with protective function, the precision is accurate and reliable. Durable This drill chuck is made of high quality chrome vanadium steel, high hardness, durable. Replaceable The keyless chuck tightens by hand for easy changes. SDS shank quick change for electric hammer. Portable Special treatment of the jaws, with good abrasion resistance. Portable Special treatment of the jaws, with good abrasion resistance. keyless adapter sds chuck sds chuck keyless adapter sds chuck lathe chuck keyless chuck sds chuck keyless chuck keyless chuck 13 mm chuck adapter Keyless Drill Chuck Keyless Drill Chuck Converter Features: This drill chuck is made of high quality chrome vanadium steel, high hardness, durable in use. Good metal surface and comfortable. Special treatment of jaws, with good abrasion resistance. Keyless chuck tightens for easy changes. SDS shank quick change for electric hammer. Accuracy is precise and reliable. Specifications: