Base of knob is Corian painted with automotive silver acrylic enamel with a clear coat.
Groove for shift boot attachment is machined in base.
Top is american walnut with a hand-rubbed marine spar polyurethane finish.
Wood top is connected to the Corian base with an internal dowel fit,
as well as a machine screw and epoxy adhesive.
Machined aluminum adapter for flat-sided Porsche shift lever is included in the price.
Link for adapter:
http://www.928motorsports.com/parts/shiftknobadapt.php
Length from shift boot groove to top is 75mm.
Diameter is 55mm.
Item #P601 $175