The Mini-Claw has a lightweight profile and is used for hanging small lighting fixtures on truss or pipes. The Mini-Claw's wrap around construction protects truss from being marred and supports the weight of the fixture as it is being secured. Fits from (1-1/4" pipe) 1.66" OD to 2" OD truss tube. The Mini-Claw is a light duty clamp, and is not designed to side arm fixtures. The Mini-Claw has a 1/2"-13 TPI by 3/4" long hex head grade 5 bolt for fastening to the fixture.