Pro-Crimper - 23-7AWG (0.25mm²-10mm²) square crimp for insulated and non-insulated sleeve terminals, wire ferrules and end sleeves. Square Crimp - Four crimp surfaces simultaneously crimp four serrated crimp surfaces! Excellent Performance - The ratchet mechanism is automatically adjusted to the crimping range suitable for crimping the terminal. Easy to Operate - Non-slip grips provide a comfortable grip and the quick release trigger helps eliminate crimp jams caused by incorrect positioning. Package Includes: 10-4 Crimper x 1