Product Description: Tool for LifeSteel construction with nickel-plated finish brings high hardness and good toughness.This product is made as a sturdy and durable tool for lifetime . Multiple UseThis tool has good performance for bending and straightening sheet metal like windows, doors, roofing, metal fences, etc. Non-slip Design Both handles are ergonomically designed and they have bites for your convenience and comfort. And the anti-slip texture design on the inner surface of both sides increases friction and prevents slipping. Incremental Bending Display Sheet metal molding jaws are marked in 6.4mm. The markings on the sides of the hand crimpers make it easy to measure and get accurate results. Safety ConsideredThis tool is designed with a safety lock switch, allowing you to judge whether it can be opened, making it safer and more convenient to carry.