Metabo 1-10mm Futuro Top Keyless Chuck R 1/2"-20 UNF w/ Firm Grip & Impact-Proof 636216000

Features:

• The first impact-proof keyless chuck, with integrated spring-loaded bit clamping mechanism and dual dust protection
• Keyless for quick tool change
• Firm grip of clamped tools even under the toughest loads
• The oil-resistant, hard-wearing rubber bellows system protects the thread and the precision press fit from dust and dirt
• For clockwise rotating drills only
   

Specifications: 

• Clamping Width: 1 - 10mm
• Female Thread: 1/2"-20 UNF
• Outer Ø: 42.8mm
• Length (Closed): 77mm
• Weight: 0.35kg