The QTH-1 is an ergonomic T-handled bit driver equipped with eight common bits to fit a wide variety of fasteners and fittings found on bicycles. The magnetic "quick-change" handle allows for one-handed operation and makes changing bits quick and easy. The bit holder can be magnetically attached to any magnetic surface such as a repair stand or tool box, or can be permanently mounted to any wall or tool board. The QTH-1 is a professional-grade tool built to withstand the rigors of daily shop use and is fully rebuildable. Includes the following magnetic 1/4" bits: - 2mm, 2.5mm, 3mm, 4mm, 5mm & 6mm hex - T25 Torx-compatible - #2 Philips cross tip - Bit holder includes empty spaces for 2 extra bits