Replacement black mast base for Hobie 16 since the mid-1980’s. Be advised that if you have an older mast step, you will want to also replace the mast base casting, as they were both updated by Hobie Cat in order to allow greater mast rake. Note, too, that in order to accommodate greater mast rake, you will need a longer forestay (or add an additional 10-hole adjuster) and shorter shrouds.
Use 3 rivets for installation. https://westerncanoekayak.com/pop-rivet-3-16-x-3-8-ph-stainless-steel/
Hobie Cat Part #20640011
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