●[Fast Connection] Just prepare a crimper, then you can crimp the connectors in a few seconds without soldering. Save you time and improve work efficiency. ●[Thick tinned copper material ensures long-lasting performance] Premium tinned copper material ensures good conductivity. Nylon insulating sleeves ensures high corrosion resistance, insulation and flame retardant. ●[Wire Range] This wire ferrule termnals connectors kit includes 900pcs 0.5-10mm² / 22-7 AWG electrical terminals. ●[Safe to use] Comply with all electrical standards. Also, the Insulating Sleeve made of Nylon Insulation material, Flame retardant design ensures safety. ●[What will you get from this package] You will get a box of 900pcs 8 types ferrule pin cord end terminals in the most commonly used sizes. Each type and size of ferrule connector has its own individual removable compartments.