The VIM Tools 1/4" and 10mm Hex Reversible Bit Ratchet with Removable 1/4" and 3/8" Square Drive Adapters, No. HBR1046, allows for quick tightening or loosening when ratcheting is not required due to its quick-disk on the drive head. Its reversible 72-tooth gear head requires 5 degrees of sweep and the opposite end has a reversible 60-tooth gear head that requires 6 degrees of sweep. The small, low-profile ratchet is made of heat-treated Cr-V alloy steel and works with all 1/4’’ bits and 10mm fasteners. It includes 1/4’’ and 3/8’’ square drive inserts.