Connects your D36/32 (36mm) hose with dust collection ports that normally only accept 27mm hoses. Compatible with tools such as the Domino DF 500, Domino DF XL 700, Multi-Mode Sander ROTEX RO 90/125/150, Finish Orbital Sanders RTS 400 / RTSC 400, Random Orbital Sanders ETS 125 or 150, and Finish Delta Sanders DTS 400 / DTSC 400.