Double-sided Rivets, Head Diameter 6mm, Leg 6mm For handmade materials, handmade items such as bags, wallets, keychains, and accessories. For repairs, DIY projects! Standard Mail No tracking number. Delivery takes approximately 4-8 days from dispatch. Made in China. Not made in Japan. Made of iron. There may be color unevenness, small scratches, stains, and odors from the manufacturing process. Please understand beforehand.