SDS chuck adapter Heavy Duty 1/2-20UNF 13mm Keyless Drill Chuck with SDS Adaptor Hardware Tool Professional;

Features:
Instantly convert impact driver to hold non-quick change drill & driver bits.
Greater clamping force, effectively preventing drill bits loose off, more reliable.
Keyless chuck finger-tightens for easy bit changes.
Quick-change SDS shank for electric hammer.
Mount:1/2-20UNF.

Specifications:
Material: metal and plastic
Shank length: 46mm
Head diameter: 42mm
Capacity: 2-13mm
Size: 122 x 42mm

Package includes:
1 x SDS chuck adapter