Usage Tips:Features: Experience superior holding power with our long grip tri grip rivets. Perfect for joining part together when access are limited. Made from good quality aluminum alloy with waterproof O rings, these rivets are corrosion resistant and built to last... Designed for kayak enthusiasts, these rivets are a must have for rod holder, pad eyes, terminal ends, handles, and etc. Whether you are deep water installing or enjoyings a unhurried paddle, our rivets provide reliable and secure fastening. Expand your optional with our versatile rivets that are also widely used in construction, automobile, shipbuilding, and furniture industries. Specifications: Material: Aluminum Alloy Color: As The Picture Shows Style Optional: 50Pcs/100Pcs Size: approx.6cm/2.36in (More Size Detail, Please See Photo.) Package Includes: 2 Kinds of Package(Optional) Package 1: 50Pcs Tri-Grip Rivets Package 2: 100Pcs Tri-Grip Rivets note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!