'R' cable clamp Material:Nylon 66.94V-2 certificated by UL Usage:PUT CABLE IN, FIX BY SCREW. Features: 1.To fix and support PCB and main board; 2.Reasonable utilization to reduce machine space; 3.Avoid short-circuit, improve PCB stability; 4.Easy to unload; convienient to repair; 5.Anti-heat, abrasion, impact, acid and alkali, with strong electric insulation.