47-7 2″ 2″ Diameter Piston Replacement Kit for Professional Line Special
Kit Includes: (1) #37-38 Nyloc Jam Nut, (1) #37-24 Nut, (1) #39-17 Small Washer, (1) #39-22 Large Washer, (2) #21-1 Soft Leather Piston. We’re happy to help. Weight: 2.61 oz. For use with bulk caulk guns.
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