Amazon.com: 4 Pack Quick Release Pins, Diameter 5/16"(8mm), Usable Length: 2-1/4"(57mm), Full 316 Stainless Steel, Bimini Top Pin, Marine Hardware, All Parts are Made of 316 Stainless Steel : Sports & Outdoors
Quick Release Pin (for base) - Hi-Lift Jack Co.
RCF Quick Lock Pin for TTL33-A Module (Single) AC-1PIN-TTL33 B&H