FERRULE CRIMPING RANGE: The crimping range is AWG: 28-7 (0.08-10mm²). Each Kit comes with A Handy Ferrule Crimping Plier (Quadrilateral) with 1800pcs Wire Ferrules (AWG: 22-8) SELF-ADJUSTABLE RATCHET: Automatically adjusting itself to the appropriate diameter for stripping terminals, the ratchet self-adjusting design improves accuracy and reliability during crimping to avoid wasting terminals ERGONOMIC HANDLE DESIGN: With nylon material and the leverage theorem, the handle allows you to save energy, which makes your operation easier and provides you with sturdy crimping PORTABLE FUNCTIONAL KIT: Ferrule Crimping Tool Kit could help you quickly complete the wiring, suitable for all kinds of equipment switches, batteries, cars and household, electronic components with pins etc HIGH-QUALITY MATERIAL: Wire Ferrules is made of high-quality tinned copper and Nylon insulating sleeves to ensure excellent electrical conductivity and high corrosion resistance. The Nylon sheath has the char