The 1/2” hex stock is machined down with a 1/2” usable hex shape at the end

you will not use the end caps or socket head bolts

Series: 4000 Series

Lowbrow Customs domed gas caps are precision-machined out of solid aluminum and paired with an injection molded base and gasket that fit 1982 through 1995 Harley-Davidson motorcycles as well as modern Triumph motorcycles

1-inch model available in single- and two-cable styles

#8723-16 Handlebar Clamp Mount Kit Cap Bolts Kit 1974-Up Harley-Davidson FX/FL - Chrome Plated Thread Size_5MM The 1/2” hex stock isChrome plated cap bolts, spacers, and washers fits all 1974 up Harley Davidson FX and XL models. Made in Ohio, USA.