PB Fastener & Components Black Buffer Outer/Outer Threads - PB Fastener 110005, This Black Buffer Outer/Outer Thread M4 10 x 10mm from PB Fastener & Components has been manufactured with a natural rubber (NR) body material plus 2x external male, steel galvanised threads. PB Fastener 110005 Threaded Buffer Outer/Outer Thread M4 10 x10mm - Black
