Stanley surform planer files stanley 5 21 297 a round bladed surform file useful for wood turning and wood sculpture also for enlarging holes in wood and smooth concave surfaces there is a thumb grip at one end and a polypropylene handle at the other to provide more control when in use it is supplied with a 250mm 10in bladeoverall length 365mm 14in stanley 5 21 297 surform round file 400mm