Description The hole saw is made of 4341 High Speed Steel (HSS), which combines high hardness, toughness, wear resistance, heat resistance to provide excellent durability, precision and long-lasting performance in various materials and applications. High speed steel (hss) hole saws can cut clean, precise holes in thin metals (stainless steel, aluminum, copper), wood (lumber, plywood, particleboard and MDF) and plastics Sharp cutting teeth produce precise, and clean cuts with minimal burrs or chipping Apply lubricant or cutting oil to the to reduce friction and prevent overheating. Hold the hole saw firmly while drilling. 2pcs 36mm HSS (High Speed Steel) Hole Saw Knives. Triangular handle, suitable for hand drills, drill presses, and bench drills. Color: Silver Black Material: high speed steel Package Contents: 2 x hole opener 2 x installation tools Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Please allow slight errors due to manual measurement. Please make sure you don't mind before bidding. Color may vary depending on your monitor, please understand. Note: Hello, please pay attention to your shipping address when purchasing products. If your delivery information (e.g. name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly