Product Features: [Heavy-duty arbor]: Comes with a heavy-duty arbor for drilling through tough materials such as drywall, metal, and wood. heavy-duty 7/16 inch hex mandrel to fit 1/2 inch drills; pins lock the saw well and prevent Too tight or falling off[6-3/8 inch HSS bi-metal ]: This 6-3/8 inch HSS bi-metal is designed to cut through 6-inch holes for recessed lighting, drywall, and other applications.[38mm cutting depth]: The has a cutting depth of 38mm, making it suitable for cutting through thicker materials.[High-quality construction]: The is constructed with high-quality materials for durability and long-lasting performance.[Multi-]: Perfect for cutting holes in walls, ceilings, and other materials for recessed lighting, drywall, and other applications.size: 7.51 x 7.36 x 2.05 inchesMaterial: Metalcolour: redPackage Contents:1 x 162mm1 x 7/16 inch hex arbor3 x pilot drill1 x Hex wrenchOnly 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.