Features: brand new and high quality Connect any combination of solid, stranded, and flexible copper wires reliably Terminates 24-12 AWG The connector housing is made from the best quality PC Insulating material. Space savings: The lever-nuts adopt special and scientific design, which will save space effectively. When combining the wires, don'for t need to worry about a twist between the wires and the lever-nut keeps your house looking good. How to Use: 1.Push the orange levers to 90 2.Insert the wires (open the housing of wires to 0.35-0.47inch)3.Put the clip back4.Inspect for proper strip length and complete wire insertion through its transparent housing.5.Changing other wires, just flip the little lever up and pull out what you need and replace.. Specifications: Item:Quick Connect Terminals Material: ABS Package Size: approx 17x10cm/6.69x3.94in Quantity:75PCS ( 35pcs x A221-412; 25pcs x A221-413; 15pcs x A221-415) 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. Package includes: 3 Different Models of Lever-Nuts in a Plastic Case: 35pcs x A221-412 25pcs x A221-413 15pcs x A221-415