For long belt life, the belt MUST be perfectly aligned between the two pulleys. The MIN400 Grinder Complete automatically alignes the drive belt so you can expect many hours of use, (Pop gets around 200 hours).
This Coarse (Blue) Thin Flat Profile Disc Part #10087 is a part of the Nick Agar Signature Series. It is an All Surface 3 Edge Tungsten Carbide Disc, has a 2” (50mm) diameter x 10mm center x 5/32" (4mm) thickness and fits the Merlin2® miniature angle grinder. If using this disc with the Arbortech Mini Carver ...it MUST be used with the brass insert that comes with the tungsten mini blade. Brass inserts and mounting bolts can be ordered as a package of replacement parts.