Charnwood W030SD Sanding Drum Kit For Spindle Moulder Set of 3 rubber sanding drums designed to fit onto a 30mm diameter spindle moulder to use for sanding operations. Each drum is 100mm (4") in height, the outisde diameters are 40mm, 52mm, & 78mm. Supplied with one 80 grit sleeve for each size. Please note these can only be used with the Charnwood W030 or Charnwood W040 spindle moulder, 4 speed version, running at the lowest speed 1400rpm. May be compatible with other spindle moulders, providing a low enough speed can be set. Replacement sleeves are also available. Search for:SS30 40mm SS34 52mm SS38 78mm