A wide range of Ferrea handles is available on the American and European market. We currently offer four different types of retainers to choose from: titanium steel, lightweight steel, steel and aluminum retainers, all of which are CNC machined to perfection and offer excellent strength and stability. Fits: VW BEETLE / GOLF / JETTA / RABBIT 2.5L - DOHC 20 VALVE (BTW) - 2005 1/2 - 2009 Dimensions: Valve head diameter: 6mm Diameter (A): 20.32mm Outside step diameter (B): - Inside step diameter (C): 15.74mm The wide range of Ferrea retainers is available on the US and European market. We currently offer four different types of retainers to choose from: titanium steel, light steel, steel and aluminum retaining components, all of which are CNC machined to perfection and offer excellent strength and stability. Fits: VW BEETLE / GOLF / JETTA / RABBIT 2.5 L - DOHC 20 VALVE (BTW) - 2005 1/2 - 2009Dimensions: Head diameter: 6mmDiameter (A): 20.32mmOutstep diameter (B): -Instep diameter (C): 15.74mm