1/4’’ & 10MM HEX Reverse Bit Ratchet W/Removable 1/4’’ & 3/8’’ SQ DR Adapters 1/4’’ & 10MM HEX Reversible bit Ratchet With Removable 1/4’’ & 3/8’’ SQ DR Adapters. The smallest, lowest profile head in the industry.. The quick-disk on the drive head allows for quick tightening or loosening of fasteners when ratcheting is not required.. Reversible 72-tooth gear head requires only 5 degrees of sweep, opposite end has reversible 60-tooth gear head and requires only 6 degrees of sweep.. Made of heat-treated Cr-V alloy steel . Works with all 1/4’’ bits and 10mm fasteners.. Includes 1/4’’ & 3/8’’ square drive inserts.. Limited lifetime warranty HBR1046