Introducing the hole puncher, a must-have tool for professional and DIY electrical installations. Crafted from high-quality steel, this tool ensures precise and accurate cutting, durability, and long-lasting performance. The precision engineering of this puncher, utilizing high-frequency welding technology, guarantees firm and smooth welds for seamless operation. Specifically designed for the 86-type junction box, this square hole puncher is ideal for creating clean and accurate square holes with ease. Its ergonomic design offers comfortable grips to reduce hand fatigue during extended use, making it a practical addition to your toolbox. Whether drilling into walls, stone, bricks, or installing air conditioners and sewer pipe openings, this square hole cutter simplifies your workflow. Upgrade your electrical installation projects with the efficiency and reliability of the hole puncher. Item Name: Square Hole Cutter Material: Chrome Steel Features: Long lasting, ergonomic design, practical Size Details: B, L: 14.5cm / 5.71", W: 8.5cm / 3.35" (Approx.) A, L: 17.5cm / 6.89", W: 8.5cm / 3.35" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Square Hole Cutter