Function: 360 degree rotatable ball post head buttons, enough quantity to suit your different leather craft DIY ; Stud screws enhance the way the leather pieces are fastened together, allow leather projects to be adjustable. Easy to Use: Use these to attach two pieces of leather together and they would work great, look so awesome thick leather. Material: These pullrivets studs are made of high quality brass with beautiful color, solid construction and really . Suitable: Ideal for all kind of art and leather crafts and clothes making, decorating your bags, belts, leather bracelets, etc. Quality Commitment: All products are brand new, if you have any questions, welcome to consult, and our customer service will answer you at any time.