Steel shell and brass socket (can be separatly delivered)
Brass-made with wooden pitch. Shell and socket separately deliverable..
Made in galvanized and brilliant steel for metallic cores boxes and synthetic resin with centring cone and groove. Can be separatly delivered.
SONNENBERG system with rounded collars; Oval collars and circular dowels; Oval dowels ground and cemented
Very precise adjustment.
Rund bush
Oval bush
Rund dowel
Oval dowel