<< >> Core Vac Multi-Hose Adapter Helps bypass special proprietary quick disconnect vacuum hoses. Fits and adapts to any vacuum hose! More Views Product Description Adapter Sizes: Inside diameters: 1.250", 1.5" and 2.5" Outside diameters: 1", 1.250" and 2" Part # 2508104, Cat # 31810 Additional Information Model Group No Model Number No Catalog Number No Rig Type No Part Number No Engine/Motor Make No Engine/Motor Model No Motor/Engine Power No Power Source No Drill Motor Max Bit Capacity No Speed No Motor RPM No