Features 1.This drill chuck is made of high quality chrome‑vanadium steel, high hardness, durable in use 2.Good metallic and comfortable coat surface 3.Jaws special treatment, with good abrasion resistance 4.Keyless chuck finger-tightens for easy changes. Quick-change SDS shank for electric hammer 5.Accuracy is accurate and reliable Specification Features: This drill chuck is made of high quality chrome-vanadium steel, high hardness, durable in use. Good metallic and comfortable coat surface. Jaws special treatment, with good abrasion resistance. Keyless chuck finger-tightens for easy changes. Quick-change SDS shank for electric hammer. Accuracy is accurate and reliable. Specifications: Material: Chrome-vanadium steel Capacity: 2-13mm / 0.08-0.51inch Size: Approx. 12.4 x 4.2cm / 4.88 x 1.65inch Weight: Approx. 306g Package Included: 1 x Drill Chuck 1 x SDS Adapter Note: Only chuck and SDS adapter, no other stuff included. Package List