Including the idler arm and the idler pulley
38 inches /4 piecesM8 Screws -- 40mm/1
Wide Application- Outside calipers measure thicknesses and outside diameters of objects
Evenly contact on the head to avoid pressure
BHA Unitized Surface Prep Quick Change Discs, 3 Inch - 5 Pack (3SF - Low Density, Silicon Carbide, Fine) 3SF - Low Density, Silicon Carbide, Fine ship04 Including the idler arm andBHA Unitized Surface Prep Quick Change Discs, 3 Inch 5 Pack (3SF Low Density, Silicon Carbide, Fine) BHA Black Hawk Abrasives 3" Quick Change Unitized Discs are designed for effortless and efficient deburring, blending, cleaning, finishing or polishing in a compact size; ideal for work in confined spaces. Unitized wheels feature compressed, and cured layers of non woven nylon fibers impregnated with abrasive grains. The structure of these unitized