Manufacturer: maXpeedingrods. 【Simple Operation】 This clutch disc centering tool is easy to used. 8 Adapters: 0.47″(12mm), 0.55″(14mm), 0.59″(15mm), 0.63″(16mm), 0.67″(17mm), 0.7″(18mm), 0.75″(19mm), 0.78″(20mm).