Felt Silencer, Series Not Applicable, Compatible with Grainger Part Number 13F680, 13F681, 13F682, 13F683, 13F686, 13F687, 25H832, 25H833, 25H838, 25H839, 25H840, 25H844, 25H851, 25H852, 25H853, 25H865, 25H892, 25H893, 25H894, 25H895, 25H912, 25H916, 25H931, 25H932, 25H934, 25H941, 25H977, Product Type Felt Silencer, Compatible with Manufacturer Part Number 98621, Compatible with Series Not Applicable, Compatible with Brand Dynabrade