A). Model No.: RBMS-01 B). Structure: Steel framework C). Suited for 25mm& 32mm& 44mm& 58mm& 75mm mould D). Shipping weight approximately 7.8 -10kg. E). 44cmx 29cmx 39cm F). Optional accessories and Lifetime warranty on model element Description: Different model Buttons with a variety of options. You can make magnets, key-chains, and bull dog clips simply by assembling a button without a pin and adding the necessary accessories. Along with the standard button model also produce collect back buttons, prong back buttons, and new mirror back buttons