Clutch centre hub, for Norton clutches 1933? to 1956, steel. Made for clutch with friction material in the basket and circlip ring. Depth: 1-3/8in 35mm; width: 3.73" 95mm; Tooth width: 3/8in 10mm. Very old stock, that has been sitting on shelves, covered in dust and grime for 70 years.Original part number:3338; A2/385 - clutch body only