FASTENERS & TOOLS | 4 in Square, 3/4 in Raised Drawn Single Device Cover | Clip,Multi-Function,Wire Rod Flng | Crimps Non-Insulated Connectors, Lugs and Terminals | Knurled Jaws for Sure Wrapping and Looping | Plastic Safe, General Purpose | Precision Machined to Ensure Consistent Fit | Rotating Cap for Optimum and Precise Control | Starts and Drives Screws With One Hand When Working in Hard-to-Reach Spaces