Tool-Less Cable Management: Lobster Claw1/4 Turn Tool-less Cable Management Lobster Claw offers the ultimate in flexibility in cable management for moves, adds, and changes. Lobster claws install on 19" vertical mounting rails without taking up U space. Claw can also be installed on PDU/cable management rails. Color: black. Manufacturer: Vertiv. Manufacturer Part Number: VRA1004. Brand Name: VERTIV. Product Name: Cable Claw. Packaged Quantity: 10. Product Type: Cable Guide. [Product Information] Cable Manager Type: Cable Claw. [Physical Characteristics] Color: Black.