Premium Aluminum Rivets - All of our pop rivets are made of high-quality aluminum and steel. Great performance in any environment because of corrosion resistance and acid resistance, no worry about rusting and breaking. 500pcs 14 Standard Sizes - This pop rivets assortment kit includes 500 pieces 14 most used sizes for your various needs. Including 50pcs 3/32” x 1/4”, 50pcs 3/32” x 5/16”, 35pcs 1/8” x 1/4”, 40pcs 1/8” x 5/16”, 50pcs 1/8” x 3/8”, 50pcs 1/8” x 1/2”, 45pcs 5/32” x 3/8”, 35pcs 5/32” x 1/2”, 30pcs 3/16” x 5/16”, 30pcs 3/16” x 3/8”, 30pcs 3/16” x 1/2”, 30pcs 3/16” x 5/8”, 15pcs 1/4” x 3/8”, 10pcs 1/4” x 1/2”, total 50pcs. Reinforced Labeled Case - The pop rivets assortment kit is well packed in a reinforced labeled storage case with thickened latch and dividers. 14 sizes are separately placed in 14 grids, handy and neat, orderly and no mess. Great Performance - Adopting self-plugging open end design, 14 SAE sizes, well matched with the rivet gun. Smooth surface, strong and