Bridge handles, technopolymer
Standard executions:
Brass bosses, threaded blind holes.
M.643: high-resilience polypropylene based (PP) technopolymer, black colour, matte finish.
M.643R (reduced version h=45): glass-fibre reinforced polyamide based (PA) technopolymer, black colour, matte finish.
M.643-FM: thigh-resilience polypropylene based (PP) technopolymer, black colour, matte finish. Brass bosses, pass-through holes for cylindrical-head screws with hexagon socket.