The universal tool adapter adapts hoses to fit multiple opening sizes and can be cut to fit many different diameters. It will fit dust collection boxes to keep spaces clean. It is easy to use and made from black plastic. Kit has all the adapters you need to use any 1.25-in, 1.5-in, 1.875-in, and 2.5-in tools with any 1.25-in, 1.5-in, 1.875-in, and 2.5-in hose Greater versatility for accessory use 3 Adapters include 2.5-in to 1.25-in, 1.50-in, 1.875-in, 1.875-in to 2.50-in, 1.50-in, 1.25-in, 1.5-in to 2.50-in, 1.8750-in, 1.25-in, 1.25-in to 2.5-in, 1.875-in, 1.5-in Type: Tool adapter Fits Hose Diameter (Inches): 1.25 Material: Plastic Total Number of Pieces: 1 Warranty: None CA Residents: Prop 65 Warning(s): No UNSPSC: 47121600