Quality Terminals: High-quality insulated crimp terminal connector. Scale down to 1/3 of the original size. Heat activated adhesive seals the connection to the element. Your wires won't slip out. Safe Design: 3 color ( Red + Blue + Yellow) make it easy to identify the right size of the connector and purposes of use. The copper barrel provides greater current flow and ensures less voltage drop, preventing wiring failures and reducing equipment downtime. Widely Application: All essentials for home, shop or outdoors. A practical selection of terminals and connectors for quick electrical repairs. It is suitable for automotive battery wiring, and other for home use. Wire Range: 22-16 A. W. G; 0. 5-1. 5mm (Red); 16-14 A. W. G; 1. 5-2. 5mm (Blue); 12-10 A. W. G; 4-6mm (Yellow) , Max Current: Red: 19A; Blue: 27A; Yellow: 48A. Package includes:140PCS Heat Shrink Piggy Back Spade Terminals. Red: 50pcs; Blue: 50pcs; Yellow: 40pcs.