Features: and high quality. Made of high-quality high speed steel materials, practical and durable. Suitable for cutting wood, plastic, machinable metal, nail embedded wood, plywood, pipes, etc. The cutting performance of teeth combines with variable tooth pitch and non-binding clean edge design to ensure the hole saw blade cuts smoothly, cleanly, and quickly. These hole saws are ideal for work where high performance and accuracy are required. Available in 5 size options; choose one or more according to your needs. Specifications: Material: High Speed Steel Size: As shown in picture Type: 35x60x3mm, 50x80x3mm, 55x85x3mm, 65x105x3mm, 75x115x3mm, Dust Cover (10mm=0.39 inch) Note: 1. Please allow 1-2cm 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