Hoover 8.5" Black Crevice Tool with Locking Pin # 38617017 8-1/2" black crevice tool fits on Hoover canisters which use attachments with a pin on the connector which fits INSIDE the hoses or wands. It is not for use on Hoover uprights nor Hoover Bagless canisters since their attachments fit OVER the wands. See Product Description below to see if this part is compatible with your vacuum model. 8.5" Black Crevice Tool with Locking Pin Model # 38617017