This professional set includes a high-leverage ratchet crimping tool, a precision wire stripper, and essential MC4 wrenches (spanners) for tightening connectors. Designed for durability, the tools are made from hardened carbon steel to withstand the tough working conditions of rooftops and industrial sites. Features: Ratchet crimper for MC4 pins, 2.5/4/6 mm² (AWG 14–10) Wire stripper/cutter for clean, repeatable prep Pair of MC4 spanner wrenches (tighten/unlock safely) Hardened steel jaws, non‑slip ergonomic handles Compact carry pouch keeps tools organized Specification: Crimp Range: 2.5 / 4 / 6 mm² PV cable (AWG ~14–10) Compatibility: MC4‑type  and contacts Kit Contents: ratchet crimper,  MC4 pouch Materials: high‑carbon steel crimper; polymer spanners; PVC grips Application: PV cable rated 1000–1500 V DC Uses: Make MC4 leads, extensions, and jumpers Series/parallel PV string wiring Replace damaged MC4  in field service O&M inspections and quick repairs Off‑grid, hybrid, and on‑grid installs Package Includes: 1 x  HS-03B MC4 Electric Crimping tools