Features: No need to strip insulation before connection. No need to twist nor tape the conductor. Conductor of wire is not exposed during connection. Made of flame retardant material. Easy to use & time saving. Specification: Material: PC + Copper Color: transparent Size: 25mm x 10.55mm Thickness: 6.7mm Package includes: 5/10/20/30Pcs * Wire Connectors OR 1Pc * Bag(no buy) Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. .