2"Surface Sanding Kit. MAX : 30000 R.P.M. For QP-212, QP-213, QP-223, QB-625. Shank Type QB-9742K20A : 6 mm / QB-9742K12B : 1/4". Contents : Shank x 1PC (A or B). 2" Rollon Holder x 1PC. 2" Pad Die x 15PCS. 2" Sanding Disc x 3PCS. 2"Surface Sanding Kit