Features: brand new and high quality Gauge: Red: AWG: 22-18, cross-sectional area: 0.5-1.0mm^2, blue: AWG: 18-14, cross-sectional area: 0.75-2.5mm^2, yellow: AWG: 12 -10, cross-sectional area: 4mm^. Top Quality Material: Butt splice connectors are made of top brass conductor, soft PVC insulation and tin plated finish. Flared Insulation: The flared barrel of the insulated butt connectors is for easy cable insertion. Applications: Suitable for house and automobile applications. Whether you are working on your automotive wire, home or scientific project, electrical insulation crimp connector is useful. Package Included: 100Pcs Quick electrical cable connectors. Specifications: Material: Plastic Color: Blue, Red, Yellow Product Dimension: approx. 9.8x36mm/0.39x1.42inches Net Weight: 100g/0.22lbs Package Includes: 100Pcs Quick Electrical Cable Connectors note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.