Kupo wing nut ratchet wrench for 19/22mm is made of solid steel forged with black finished. The sleeve-through double socket allows you to have an easy alignment of bolts. Feature a 20mm depth slots on the 19mm socket that perfect for fitting into the wig nut of the coupler. So it is ideal for riggers, stagehands and grips. A build-in switch lever allows you to change loosen or tighten mode in a second. Total length is only 25cm is perfect for working in the tight spaces with tapered handle allows bolt alignment or wire twisting. There is a hole on the top of ratchet for gear lubricating and 2 holes on the tapered handle for tool lanyard. A mount have tool that makes your job easier. 

Tip: ratchets are only used for quick turning of already loosened screws and nuts. The first loosening or the fixed tightening screws and nuts are done with a fixed wrench or a torque wrench.