4 Drive wings provide increased contact with the drive edges, improving power transmission efficiency via a stronger and more secure location in the bolt. This dramatically reduces bolt head damage caused by traditional screwdriver slippage.
Rare earth magnet maximises the connection with the roofing bolt for secure holding and easier start-ups.
¼" quick-change shank is Twister impact rated for impact drivers.
14mm dia. (for most 6mm thread bolts) x 50mm length.
Made in Britain from high quality alloy steel for durability.
