The dewalt d26421 non electronic sander 12 sheet professional sander has a high performance motor with aluminium bearing seats for continuous use and a long life the small orbit size gives a smooth finish whilst the efficient dust collection using integrated dustbag or external dust extractor for a better sanding performance and sheet life sturdy easy action abrasive sheet clips that securely hold the sheet and are also inset to avoid contact with adjacent surfaces optional hook and loop base pa