3M Instalock Hand Block

3M™ Insta-Lok™ Hand Block is ideal for pre-prep and final prep of metal, wood or plastic surfaces when hand sanding is desirable. It is constructed of durable plastic that is easy to grip and has a hook-and-loop style attachment that firmly holds 4 x 6″ non-woven surface conditioning sheets. Firm, durable plastic block provides support for non-woven abrasives. Block is easy to hold with integral handle. Use with 4 x 6″ non-woven sheets. Good block for hand sanding in pre-prep and final prep of metal, wood or plastic surfaces. Unique hook-and-loop style design is five times stronger than typical hook-and-loop attachments. Separates easily for changing abrasive.