DR-322 Ultra Fine Extension

Extension bar with a slim head, ideal for work in tight spaces. 
Ultra-slim φ9 mm tip for easy access in confined areas. 
Magnetic holding structure allows easy bit attachment and removal; compatible with ultra-short 18 mm bits. 
For extending 6.35 mm hex shank bits and drills in confined and recessed spaces. 
Note: 
When using bits with a ball groove for impact drivers, do not use on screws M8 or larger. 
Do not apply impact or strike with a hammer.