Jacobs Hammerlock Handtite Chuck 13mm Capacity (1/2" x 20) 30777 tb51dd
	Hammerlock to suit professional grade hammer drills Hand tightens to 25% higher gripping power than conventional chucks Suitable for variable speed corded & cordless power tools. . Will fit reversing as well as non-reversing drills. . Meets or exceeds stringent DIN run-out and dimensional specifications. Capacity. 1.5 - 13mm. Mount. 1/2" x 20.