The screw length is 0.2"(5 mm),this is not long,suggest post trough thin or middle thick leather,not suggest use on leather thickness more than 0.12"(3.0mm)
Pls do not buy this set if your bag or leather is thick
Material: solid brass
Color: brass
Round Head swivel rivet can 360 degree swivel
Good product for craftmen,used for bags,belt,leather bracelets,shoes,handbags,leather cases,backpack,hat,strap,wallets and so on
Easy to install and widely used
We supply various buckles and buttons with different design and material,pls search from our amazon store "DGOL" if you need

Package include:
10pcs brass round heas buttons with D ring
10pcs male screws