Made in USA - 1/2" Diam, 1/8" Shank Diam, Taper Shaped Mounted Bob - Medium Density, 1/2" Head Length, 1-1/2" Shank Length, Wool Felt, for Reciprocating Tools | Apex Tool & Supply
This tool has a wool felt bob shaped taper and medium density, with a 1/2-inch diameter head and 1-1/2-inch shank.