Tapered Hose Adapter: Its made from plastic and rubber that allows it to expand and contract under tension, increases its functionality.Easy to Use: Suitable for all hose-mounted vacuum cleaners, simply connect the tool to your vacuum cleaner, attach it to the wall and turn it on, it will subtly divert the vacuum flow and increase the speed of suction to the tool opening.Universal: Effectively works with spade bits, bullet bits, high-speed steel bits, tile drills, masonry bits, hole saws, and even auger bits.Widely Used: It is suitable for laminated surfaces, wood, metal, plastic, plastered and painted walls, bricks,even suitable for ceilings.Delivery quantity: 1 setPackage Contents: Only the above package contents, excluding other products.Size: Vacuum Cleaner: 7x14x5.5cm Adapter: Top 2.8cm Bottom 4.4cm(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Color: color as shown(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)