3/8 AND 17MM DUAL DRIVE SAE OPTI-GRIP HEX BIT 3/8 B17XY12OGB | eBaydiy Tools

OPTI-GRIP Hex geometry is engineered to replace standard tools by preventing the rounding out of good fasteners and effectively removing damaged ones
Patented OPTI-GRIP Hex geometry delivers up to 50% more GRIP on new fasteners and up to 400% more GRIP on damaged fasteners vs standard tools
The dual drive bits measure just (27mm) in length, while maintaining a full-length tip across most sizes to ensure complete contact inside fasteners
Multiple drive options: (3/8”) internal square and (17mm) external hex
Large laser etched size marking for greater visibility
One-piece S2 steel construction for increased strength and durability