Make sure this fitsby entering your model number. Designed to arrest free falls and distribute impact forces over thighs, pelvis, chest and shoulders as required by OSHA For workers who also need positioning, this harness allows insertion of an existing positioning belt through 5-Inch (127 mm) backstrap loops on the harness Easily adjusts for proper fit and function Waist strap has friction-style buckle for adjustments over a continuous range of sizes Seat strap adds extra comfort and support