This general snap button screw-in studs with kits are strong,heavy and with good quality.They are sturdy,durable, rust proof and corrosion resistance.<br><br> With these small snap screws, you'll be able to build, repair, and construct your own items whenever, however and wherever you want.<br><br> <b>Specifications:</b><br> <b>Quantity: </b>60pcs with screw, brass socket and cap. 20pcs for each item.<br> <b>Material:</b> High Quatity Marine Grade Stainless Steel<br> <b>Color:</b> Silver <br> <b>Button cap dia:</b> (16mm) 5/8"<br> <b>Screw length(two sizes):</b> (10mm)#6-3/8" / (15mm)#6-5/8"(Current size)<br><br> <b>WARRANTY:</b><br> TommoT come with a 100% Satisfaction Guarantee,if you have any problem we will provide a full refund or replacement. Pls order with confidence.