PFERD Abrasives Sanding sleeve 610040 - PFERD 42240115, The PFERD KSB 4530 A 150 sanding sleeve features a grit size of 150 and measures 45 mm in diameter by 30 mm in height. This product, sold in a pack of 10, is ideal for precision grinding and finishing applications. It is commonly used in conjunction with grinder accessories for efficient surface preparation. PFERD 42240115 Sanding sleeve 150 grit 45x30 mm 10 pcs coarse to fine Grinding