Mesee 2-13Mm Keyless Drill Chuck With Sds Plus Adaptor, Professional Heavy Duty Mesee 1/2-20UNF Keyless 2-13mm Capacity 3-Jaw Drill Chuck with SDS Plus Shank Adaptor Fit Rotary Hammer and Hammer Drill, Clamping Bits from 1/16 Inch to 1/2 Inch - Constructed with high-quality chrome?vanadium steel and carbon steel, ultra-durable construction meets the demands of frequent use. - Classic 3 Jaw chuck with great clamping force, effectively preventing drill bits from loose, more reliable. - Unique thrust bearing, the torque applied to the handle is easy to translate into a larger gripping force. - Radial locking to prevent unwanted release of the tool when running in a clockwise and counter-clockwise direction. - Quick-change SDS shank designed for electric hammer/ rotary hammer, fast and easy change for different drilling jobs, suitable for rotary hammers of all brands with SDS-plus chuck. - Keyless chuck finger-tightens could quickly change drill driver bits, allowing you to quickly and easily swap bits into and out of the chuck by hand, easily move from bit to bit, and task to task. ?Specifications: Material: Chrome?Vanadium Steel Carbon Steel Clamping Range: 2-13mm(1/16 inch - 1/2 inch) Shank Type: SDS-Plus Shank Mount Thread: 1/2-20UNF ?Please Notice: - This product can NOT be used counterclockwise! - Please allow 1-3mm errors due to manual measurement. - Prevent scraps from flying at work, please use safety glasses and gloves. ?Package Includes: 1 x SDS Keyless Chuck Adapter SDS Drill Chuck - Capacity Range: 2-13mm(1/16 - 1/2 Inch); Mount Thread: 1/2-20UNF Premium Material - Made of chrome?vanadium steel and carbon steel, features high hardness and good abrasion resistance. Classic 3-Jaw Drill Chuck - Greater clamping force, securely holds round-shank drill bit, which effectively prevents drill bits from loose. Keyless Self-Tighten Drill Chuck - allows for hand-operated tightening and loosening of the chuck adapter without tools, quick and easy to change various drill bits. SDS Plus Chuck Adapter - Helps you easily convert your hammer drill/ rotary hammer to a drilling machine, can be widely used in automobiles, garages warehouses, offices, homes, etc. ?Please Note!!?The product can NOT be used counterclockwise!