Image of TOOLCRAFT 820749 Hex head Bits 10 mm 1/4 (6.3 mm)
 

TOOLCRAFT 820749 Hex head Bits 10 mm 1/4 (6.3 mm)

The power transmission from the nuts to the screw head is not via the corners, but via the flanks. This ensures higher power transmission, plus the sensitive edges of the nut remain intact.

Price: 1.79 from Conrad Electronic

Stockist Catalogue Product Name Price  
Conrad Electronic TOOLCRAFT 820749 Hex head Bits 10 mm 1/4 (6.3 mm) 1.79 Visit Store