Description: Universal kayak accessories, including 20 pieces kayak tri bulb rivets, 4 pieces kayak bungee hooks and 2 pieces kayak paddle holder clips The paddle holder clip fits most standard paddle shafts 1-1/8" to 1-1/4" diameter The bungee hook clips are for use with 1/4" bungee/shock cord rivet, back side splits in three directions for superior holding power 3/16" hole size, rivet tool required for installation (not included) grip 1/6" - 1/2" (4mm-12mm) These rivets will work great on almost any application on kayak like rod holders, pad eyes, terminal ends, handles and so on Specification: Kayak Tri Bulb Rivets Material: Aluminum Size: M5*25 Length: Approx. 2.3 inch/58.5 mm Diameter: Approx. 0.38 inch/9.7 mm Color: Black, silver Kayak Bungee Hooks Material: Nylon Size: Approx. 1.77 x 0.39 x 0.73 inch/45 x 10 x 18.5 mm Color: Black Kayak Paddle Holder Clips Material: Nylon Size (L x W x H): Approx. 1.5 x 1.46 x 1.85 inch/38.2 x 37 x 47 mm Inner Hole Diameter: Approx. 1.12 inch/28.5 mm Color: Blac Package Includes: 20 Pieces Kayak Tri Bulb Rivets (with waterproof O rings) 4 Pieces Kayak Bungee Hooks 2 Pieces Kayak Paddle Holder Clips (including screws and nuts) Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!