[Quick Connection] Just prepare a crimper, then you can crimp the connectors and connect the wire in a few seconds without soldering. time and improve work efficiency. [Red, Blue and Yellow Color Identification] You can identify the cable range of this crimp connectors by the color. AWG 22-16 (red), AWG 16-14 (blue), AWG 12-10 (yellow). [Thick tinned copper material ensures long-lasting performance] Premium tinned copper material good conductivity. The is tinned to form an oxide film, which is anti-oxidative and anti-, ensures long-lasting performance [Safe to use] Comply with all electrical standards. Also, the Insulating Sleeve made of PVC Insulation material, Flame retardant design ensures safety. [What you get from this package] You get a box of 280PCS cable connectors. 15 types crimp connectors in the most commonly used sizes. 2.8mm, 4.8mm, 6.3mm. Including male and female spade connectors, fork connectors, ring connectors. [Quick Connection] Just prepare a crimper, then you can crimp the connectors and connect the wire in a few seconds without soldering. time and improve work efficiency. [Red, Blue and Yellow Color Identification] You can identify the cable range of this crimp connectors by the color. AWG 22-16 (red), AWG 16-14 (blue), AWG 12-10 (yellow). [Thick tinned copper material ensures long-lasting performance] Premium tinned copper material good conductivity. The is tinned to form an oxide film, which is anti-oxidative and anti-, ensures long-lasting performance [Safe to use] Comply with all electrical standards. Also, the Insulating Sleeve made of PVC Insulation material, Flame retardant design ensures safety. [What you get from this package] You get a box of 280PCS cable connectors. 15 types crimp connectors in the mo commonly used sizes. 2.8mm, 4.8mm, 6.3mm. Including male and female spade connectors, fork connectors, ring connectors. Color: As Shown Material: plastic Package Contents: 280PCS Crimp Connectors Only the above package content, other products are not included. Note: Light reflection 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.