![Cylinder Shape Felt Bobs - MP-4 (628967538722)](http://perrinwatchparts.com/cdn/shop/products/17-224-600_bffb5613-25d9-4f09-9ae3-9f800c1b4aa8_600x600.jpg?v=1595353242)
Cylinder Shape Felt Bobs - MP-4 100% wool, ideal for precision deburring, polishing and finishing. Can be charged with compounds. Specifically designed for use with flex-shafts and similar tools. 3/8" diameter. 1/2" face. 1/8" mandrel. Available hard and medium hard.