This tool adapter kit includes various sizes designed to fit both Ridgid shop vac and DeWalt sanders. The Ridgid shop vac adapter has one threaded end that attaches to a flexible hose without the use of a clamp, and the other end easily plugs into the shop vac's port. In addition to this, the set contains two adapters for the DeWalt D26451 and DeWalt DWE6421 sanders. These adapters allow perfect connection of the sanders to a shop vac. All the adapters are designed to be durable and durable, ensuring long life.