SpecificationGrip Diameter: 3/16" Grip Length: 4/5" Flange Diamter: 5/8"MaterialAluminum body with aluminum mandrel, all aluminum No plasticFeaturesProvide a way to join parts together when you don't have access to both sidesStyle: Tri-Grip rivets. Back Side splits in three directions for superior holding powerThese rivets will work great on almost any application on kayak like rod holders, pad eyes, terminal ends, handles, kayak seat attach point etcWork great on almost any application on kayak like rod holders, pad eyes, terminal ends, handles, etc.Widely used in construction, automobile, ship, machinery, electric equipment, furniture, etcPackage Included50 PCs x Sliver aluminum rivetsNotePlease check carefully before your purchasing, if you have any problem, please do not hesitate to contact us. Customer Satisfaction is our TOP priority.