This is the Coarse 36 Grit Detail Abrasive Brush from Dremel. FEATURES: Coarse 36 Grit EZ Lock Compatible Fits Dremel 402 and EZ402 Mandrels INCLUDES: One Coarse 36 Grit Detail Abrasive Brush REQUIRES: Installation on Dremel tool cnh 7/15/09 ir/jxs