Suitable for use with chucks/collets on all portable power and air tools. For use with spiral bound abrasive sanding bands. Self expanding when in use for a secure grip on the band. All shanks are 6mm – except where marked * which has an 8mm shank. | | Features and Benefits | • Self expanding when in use for a secure grip on the band. | • For use with spiral bound abrasive sanding bands | • Suitable for use with chucks/collets on all portable power and air tools