round copper hidden hook black platinum coat buttons clothes metal snap button buckle clothing buckle various models snap fastener

【Product Name】: Various Model Round Copper Hidden Fasteners. This link is for a large card price.

【宝贝尺寸】：

 7.5mm, 10 pieces per box, 144 pairs per large card, 6 small cards per card, 24 grains per small card. The weight of a large card is about 43.4g.

 8.5mm, 10 pieces per box, 144 pairs per large card, 6 small cards per card, 24 grains per small card. The weight of a large card is about 47.7g.

 10mm per box, 10 large cards, each large card has 72 pairs, each card has 6 small cards, each small card has 12 grains. The weight of a large card is 39.9g.

 12mm, 8 pieces per box, 8 calories per piece, 72 pairs per calorie, 6 pieces per card, 12 grains per piece. The weight of one card is about 48.4g.

 15mm per box, 6 cards per box, 36 pairs per card, 6 pairs per small card, 6 grains per pair. The weight of one card is about 45g.

 17mm, 6 pieces per box, 36 pairs per large card, 6 small cards per card, 6 grains per small card. The weight of a large card is about 55g.

 19mm, a box contains 6 large cards, each large card has 36 pairs, each card contains 6 small cards, and each small card contains 6 grains. The weight of a large card is about 60g.

 21mm: One box contains 6 large cards, each large card has 24 pairs, each card contains 6 small cards, each small card contains 4 grains. The weight of one large card is about 50g. 23mm: One box contains 6 large cards, each large card has 24 pairs, each card contains 6 small cards, each small card contains 4 grains. The weight of one large card is about 68g.

【宝贝颜色】：黑色和银白色 ，金色。