Nylon 66,94V-2, certificated agree,with spring inside. how to use:peel wire coat,insert the wire in,then tightenSize:P71P72P73P74P75· Material:UL Nylon 66 , with spring inside.· Usage: peel wire coat, insert the wire in, then tighten. Type A(mm)(mm)D(mm)Suitable wiresPackingBCmm2awgHDS-Φ317.87.25.52.51.2522-16100pcs & 1000pcsHDS-Φ4218.25.82.9216-14HDS-Φ522.596.73.95.512-10HDS-Φ625107.84.588HDS-Φ ...