Service Seal Kits For Weihrauch HW100 & HW101's. For ALL Ages of HW100 (including MK1, MK2, MK3 etc. For ALL Models of HW100 (including BP). Valve Stem (White PTFE Oring). Valve Stem =White PTFE Oring (do NOT use anything other than PTFE on this seal). ).
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