Rivet Burr of "UNION MADE" [Set of 40]

Standard type for jeans. Very common shape (6R-TYPE) Set of 40.Diameter: 9.5mmThis color is copper, but the material is brass.Size of the prong(tack pin): 9mm, It is 4-6 layer denim the extent of suitable. Or 8mm, It is 2-4 layer denim the extent of suitable. 8mm is used in many cases.Hammer tool(AP-63B) is required...or If your budget can afford it recommends hand press. It is an ideal nice finish.https://www.etsy.com/listing/469778987/hand-press-and-die-for-punch-throughNot a tubular rivets for inexpensive jeans. In other words, this is a solid aluminum prongs.