WHOLESALE 240 PACK ALUMINUM RIVET ASSORTMENT Rustproof domed aluminum heads with steel shanks. 1/8'' diameter rivets in an organizer case with 6 lengths. Ultimate strength: 100lbs break strength. 60pcs 1/8'' x 1/4''; 60pcs 1/8' 'x 5/16''; 60pcs 1/8'' x 3/8''; 60pcs 1/8'' x 5/8''.Illinois Industrial Tools