The spokes and hub cap are made of stainless steel, the hub is made of aluminum.
The wooden rims of these steering wheels are built up from laminated mahogany, this makes the rims much stonger and more attractive than rims fabricated from short lengths of solid timber.

Boss of all steering wheels has a bore for 3/4" tapered shaft (1:12) that will fit to most steering systems
KWL55 has handgrips on the spokes