[Easy to Use]Different from rail connector, does not require the tedious tightening of screws, just insert the rail terminal into the 35mm iron and aluminum DIN rail, lift the orange clip, insert the wire into the hole feel the resistance, then lower the orange lever and complete the operation, saving 70 percent of the operation time. [Universal Compatibility] This Wire Connector is suitable for solid and flexible wire. Connect any combination of solid, stranded, and flexible copper wires. Suit for solid wire 0.08-4.0mm or 28-12 AWG, flexible wire 0.5-2.5mm or 20-14 AWG. It is widely used in distribution boxes, control cabinets, switchgear, complete sets of equipment, machinery etc. [Premium Quality]Terminal blocks, high quality brass metal body and the best flame retardant insulating material modified nylon PA66 shell, it has a , no corrosion, anti-aging, 4KV and shock resistance, strong structure firmly locked to DIN rail. [Buy With Confidence]Every junction , different wire managed separately, different diameter can be connect security, there are test hole in every cage , electric test no need to remove tape. Colour: white and black Material: plastic and metal Package Contents: 20 x Terminal Blocks 2 x Connection Bar 2 x Digital Identification 20 x Screws 2 x End Stopper Bracket 1 x Transparent Storage Box Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.