Easy to use: Suitable for almost all hose vacuum cleaners, just and open it, it will subtly transfer the vacuum flow and increase the speed of suction to the tool port. And provide extremely effective dust and debris removal. It can also safely control water leakage. Suitable for most types of drill bits: The hands-free dust collector can effectively cooperate with spade drill bits, drill bits, HSS drill bits, tile drill bits, masonry drill bits, hole saws and even spiral drill bits. With an extraction opening of nearly 70 mm wide, the tool mouth can be effectively used for drills and hole saws up to 60 mm in diameter. Powerful suction design: Due to internal design and flexible sealing, the tool can generate surface suction, which means it can be easily glued to almost any surface. Free your hands to control the drill. The suction power generated by the tool will always depend on the power of the vacuum cleaner to which it is connected. Large capacity: The internal space of the dust collector exceeds 2 cm, which can easily remove larger materials such as wood and laminate. No more dust in the air when drilling! It is made of a flexible polymer that can expand and contract under tension, thereby increasing its function. Each leading edge portion of the adapter is tapered, helping to provide almost effortless compression fittings for your tools and hoses. Protect yourself and others: it removes dust and debris very effectively. More importantly, it minimizes dangerous airborne particles and creates a working environment and anyone around you. It is very suitable for working , garage, workshop or construction site. Solve the problem of cleaning dust and sawdust in drilling, woodworking and other operations. Material:Plastic + Elastomer colour:black Package Contents: 2 * Hands-free dust collector 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.