Zip: things to remember use with threaded Presto valve for use with threaded Presto non-removable core tubes knurled end to keep pump from slipping 3mm extender hex broach in the barrel to Guarantee a perfect seal when tightened specifications 27mm extender for Zip 202 33mm extender for Zip 303 48mm extender for Zip 60 /404 72mm extender for Zip 808 98mm extender for Zip 1080.
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