General description Genuine stainless steel covers, sockets, studs, and posts will not rust or corrode even in salt water, making them durable and practical. This useful pressure kit includes sturdy and high-quality studs, along with practical installation tools to ensure easy installation, even for novices. Technical specifications Material: Stainless steel Color: Silver Size: Diameter: 15mm Package Contents: 54 sets x silver snap fasteners (72 pieces), 3x punching tools, 3x 201 convex tools, 3x 831 convex tools, 3x round bases Measurement allowed error: +/- 1-3 cm Usage Leather rivets can be used for DIY projects or clothing, such as shoes, hats, jeans, windbreakers, down jackets, jackets, curtains, etc. Other information The convex of the cap device is 201 and the convex of the column device is 831. Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing.