The TWB-36 is a crow foot style wrench used with any 3/8` drive torque wrench and drive tools with 36mm wrench flats such as Park Tool LRT-2, LRT-3, LRT-4 and BBT-18 to verify components are torqued to the correct specificationConstructed from heat treated 4130 laser cut steel and plated for long lifeCrow FootSilver36mmTWB-363/8`UPC/EAN/GTIN: 763477008398