Jerry Stage-C5H-BLK is an Aluminum Pro Slim Hook Style Clamp with Big Wing Knob for 2" Truss Tube Capacity 330 Lbs. in Black Finish. This Hook/Trigger Clamp is a versatile and reliable solution for mounting professional lighting fixtures to truss chords or other 2" OD pipes or tubes. Its 360º wrap-around design ensures a secure fit and eliminates the need for additional hardware or tools. One of the key features of this clamp is its hook design, which allows it to support the weight of your equipment during the mounting process. This makes it easier and safer to use, as you won‘t have to worry about the fixture falling while you‘re trying to secure the clamp. In summary, this Hook Trigger Clamp is not only a versatile and reliable solution for mounting heavy lighting fixtures, but it‘s also compatible with a range of truss chords, including F31, F32, F33, F34, and F44P. Whether you‘re a lighting professional, stage technician, or touring musician, this clamp is a must-have tool for your kit. Jerry Stage-C5H-BLK Black Aluminum Slim Hook Clamp Features: Includes M10 Big Wing Knob for EZ Hand Tightening. Hook/Trigger-Style Clamp For 2" OD Piping. Material: AI 6061-T6 Aluminum. Min. Tubing Diameter: 1.9" (48mm). Max. Tubing Diameter: 2.008" (52mm). Load Capacity: 330 lbs (150 kgs). TUV Certification.