[! 77 sets of leather solid copper rivets and burrs] A total of 77 sets of leather rivets and burrs: 47 sets of copper rivets and burrs (12mm x 4mm x 19mm), 30 sets of copper rivets and burrs (12mm x 4mmx7mm). There is also a transparent box for storing and preventing the loss of solid rivets. [Newly-developed No.9 rivet with smooth copper rivet , no pattern, simple style] adds new to leather craft products. Some customers like the slight impression pattern on the rivet head, while others like the rivet head without the pattern. Our shop has provided copper rivets with slight embossing patterns, so in order to meet the needs of customers, we have developed copper rivets without patterns. Customer satisfaction is our strong driving force for continuous progress! [More quantity, higher performance-price ratio, 77 sets (154 pieces), 2 lengths, # 9 copper rivets] 77 x rivets and burr sets, more quantity, 2 19mm and 7mm lengths, pipe diameter of 4mm, the most commonly used copper color,