Product Description The FSA E0059 Adapter creates an optimal contact surface for the crank puller on hollow axles. Specifications:Function:installation & removal of cranksTool Type:special toolCompatibility:ISIS, OctalinkManufacturer Number:230-2010 Contents:1 x FSA E0059 adapter Weight: black: 13 g Manufacturer: F.S.A. S.R.L. Via Francesco Petrarca. 4 20123 Milan Italy info@fullspeedahead.com