- 19mm (for use with M12 nuts and bolts)
- Machined flats allow easy access into the most commonly used size of channel (41mm x 41mm).
- Impact racted for use in an impact driver - perfect for the convenience of single handed driving.
- Bored 15mm to accommodate extruding bolt threads.
- Internal Hex A/F manufactured in accordance with ISO 691:2005(e)
- Made in Sheffield using high quality alloy for durability.