1-7/8" Crevice Tool. Designed to access tight areas and makes cleaning around edges easier. The vacuum crevice tool allows you to clean hard-to-reach areas where other vacuum attachments will not fit. The gray color indication ring allows for quick size identification of its 1-7/8" diameter. This Crevice Tool is compatible with MILWAUKEE 1-7/8" Vacuum Hoses (49-90-1996, 49-90-1984, 49-90-1986) and other 1-7/8" diameter vacuum hoses.