Features: Made of high-quality high-speed steel materials, practical and durable. Suitable for cutting wood, plastic, machinable metal, nail-embedded wood, plywood, and pipes. The cutting performance of the teeth, combined with variable tooth pitch and a non-binding clean edge design, ensures smooth, clean, and fast cuts. These hole saws are ideal for applications requiring high performance and accuracy. We offer 5 size options; you can choose one or more according to your needs. Specifications: Material: High-Speed Steel Size: 35x60x3mm, 50x80x3mm, 55x85x3mm, 65x105x3mm, 75x115x3mm (Dust Cover: 10mm / 0.39") Note: 1. Please allow 1-2 cm errors due to manual measurement; ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item. Package includes: 1 x Hole Saw Cutter