Welcome! Epic Tools Ltd is offering a new Armeg 11mm Square Nut Impact Rated Driver, Fits Roofing Bolt Nuts. Model: TWGBSND. This Twister Square Nut Driver is designed for fastening sheet metal screws and square nuts/bolts. It features a 1/4" quick-change shank and is impact-rated for use with impact drivers. Manufactured in Sheffield, England, from a high-quality alloy, it offers durability and strength for high-torque applications. It is bored to accommodate extruding bolt threads. This driver perfectly complements Armeg's 50mm & 100mm Twister Impact Magnetic Roofing Bolt Drivers.