Rivets for denim pants, denim jackets, etc. The size is the same as those used by denim brands like LEVIS. How about customizing your own denim? Product Name: Rivets & Bars, Iron, Top Copper (Copper Color) 10, Bottom Copper (Copper Color) 10 Details: 9.5mm Bar (Top Disc) 10 pieces, Rivet (Nail) 10 pieces Material: Copper Made in Japan Condition: New. Please refer to the images. Although new, there may be small stains or oversights, so please refrain from bidding if you are concerned or are a perfectionist, as this may cause trouble. Thank you for your understanding. Shipped via Smart Letter. Please refrain from price negotiations.