Features: EASY INSTALL:No need pre-twisting wire, soldering or electrical tape, no tools necessary. SHAPE:Cone shaped spring pull the wires into connector and screw on. VARIETY SIZE:Assorted size fit for various electrical wire gauges, great addition to your electrical connector kit. UNIVERSAL:Great for home theater, speaker wire, stere wiring, automotive, househould wiring projects or residential applications, etc. PACKAGE:Our package come with 180pcs wire connectors Specification Color: grey+blue+orange+yellow+red Material:PP Size chart: Types Outer diameter(mm) inner diameter(mm) P1 8.6 6.5 P2 9.9 7.1 P3 12.7 9.7 P4 14 11 P6 16.3 13 Package include: 50pcs x P1 wire connector 50pcs x P2 wire connector 50pcs x P3 wire connector 18pcs x P4 wire connector 12pcs x P6 wire connector Notice: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement.