Description: 【Easy Installation】: This 150PCS M3-M10 Ring Terminal Assortment Set requires no welding or tools for installation. It uses a cold press method to connect wires, making the operation simple and saving both time and cost. 【Reliable Connection】: After crimping, the Open Barrel Wire Crimps Connector Set provides an airtight connection with good conductivity and low contact resistance, ensuring the stability and safe of electrical connections. 【Material】: Made from tin copper materials, these terminals are sturdy and can be used for a long time, and with a plastic box. 【Insulation Protection】: The insulating sleeve or sheath provides reliable insulation protection to prevent short circuits and electric accidents. 【Package Details】: The set includes 50 M3, 20 M4, 20 M5, 20M6, 20M8, 20M10. Specification: M3 3.5mm / 0.13“6mm / 0.23”15mm / 0.6“ M4 4mm / 0.15“7mm / 0.27”15.5mm / 0.6“ M5 5mm / 0.2“9mm / 0.35”17mm / 0.66“ M6 5.5mm / 0.21“12mm / 0.47”22mm / 0.86“ M8 8mm / 0.3“14.5mm / 0.57”14.5mm / 0.57“ M10 9mm / 0.35“17mm / 0.66”29mm / 1.1“ Package Includes: 1 Set Copper Ring Terminal Assortment(50 M3, 20 M4, 20 M5, 20 M6, 20 M8, 20 M10)(3 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.