- Thin-walled heads, both sides chamfered
- 12-point Dynamic-Drive™ profile provides longer life for screws and nuts
- Chrome plated micro-matte finishing provides high quality surface
- High-performance alloy steel
- Optimised legibility and identification with high-clarity imprint
- Standards: ISO 1085, ISO 10103 and DIN 837 g end
- Size - 21 x 23mm
