84 piece 304 stainless steel wire clamp kit with rubber insulated P clamps and a transparent storage box. The hose clamp screw hole diameter is 1/4" and fits 1/4" bolts. The rubber buffer pad P clamps have inner diameters of 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", and 1", suitable for wires, pipes, tubes, lines, hoses or cables with an outer diameter range from 1/4" to 1". Material and durability - Made from high quality 304 stainless steel with rubber pads - High hardness and durability - Excellent corrosion, rust, oil, salt and water resistance for long term use in harsh environments Rubber insulated clamps - Designed to fix and support pipes or wires - Rubber pads reduce vibration, impact and wear on edges, helping protect the routed items and keep clamps firmly in place - Repeatedly tested and inspected; will not harden or loosen after multiple uses Easy to install - P style design for flexibility and ease of use - Twist, bend and install with minimal effort - Place the appropriate size clamp around the pipe or wire, then tighten the screws to secure Use scenarios - Automotive wiring harnesses and hoses under the hood or in the trunk for neat, secure routing - Marine or outdoor equipment where exposure to salt and moisture requires corrosion resistant hardware - Home or workshop cable and pipe organization for routers, power cords, tubing and plumbing lines