A set of parallel pin punches with an octagonal body made of PB original special spring steel promising a long product life. [Features] · Safe, reliable operation. Robust, standing up to brutal use. Boasts unparalleled dimensional accuracy. · Enhances work safety and economic efficiency. · This product with a nickel chrome plated surface is easy to grip, resistant to rust, and has a beautiful external appearance. · High hardness and excellent elasticity are achieved with special alloy steel and accurate heat treatment. · When subjected to an excessive load, distortion is elastic and plastic, with no sudden breakages. · Holder included. · 755B has environmentally friendly packageless specifications. Package included with 755BCN. [Applications] · Convenient for a variety of applications with stable accuracy, hardness, and toughness for commercial, industrial, and personal use.