Yakima SmarT-Slot Kit 5 for TopWater Fishing Rod Box

Any ideas? I'd like to stay away from any plastic adapter kits if possible Thanks

The Yakima 8002122 SmarT-Slot Kit 1 is used to convert Yakima's HighRoad and HighSpeed bike carrier strap hardware to a t-slot mounting system

yakima smartslot kit 2 Ski Hitch Adaptor · Snow Accessories Cargo Roof BasketsPlatforms · Roof Boxes Compatible with Yakima JetStream bars and most other T-slot style crossbars

yakima t slot bolts T-slot adapter kit for skybox nx, grandtour and cbx cargo boxes add the smart-slot™ kit 6 to the skybox nx, grandtour, and cbx cargo boxes for an even