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 kit includes a useful pressure kit with sturdy and high-quality studs, along with practical installation tools to ensure easy installation even for novices. Technical specifications Material: Stainless steel Color: Silver Diameter: 15mm Package Contents: 90 Sets x Silver Snap Fasteners (72 pcs), 5 x Punching Tools, 5 x 201 Convex Tools, 5 x 831 Convex Tools, 5 x Round Bases Measurement allowed error: +/- 1-3 cm Usage Ideal for DIY projects or clothing applications such as shoes, hats, jeans, windbreakers, down jackets, jackets, and curtains. The rivet features a cover on both sides, enhancing its aesthetic appeal. 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 actual