20 3/16″ Deep Water Long Grip Tri-Grip Tri-Fold Tri Bulb Mounting Rivet – All Aluminum for installing Kayak, Canoe and Boat Accessories
$7.991. 20 aluminum rivets and 20 water proof O – rings.
2. Material: ALL Aluminum No plastic. Aluminum Body with Aluminum Mandrel
3. Style: Tri-Grip rivet. Back Side splits in three directions for superior holding power.