Titanium chain ring Bolts Standard:DIN,ASTM,GB,BSW,UNC,JIS Technique:forging, ... ,bone,ball 4 drywall,machine,furniture,color,racing,knob,rivet,insert 5 heating,pharmacy,food,fermentation,environment,light,transportation 6 aviation ... ,sports etcPackage:Plastic bag or carton or by requestPayment:L/C T/T Western UnionRelated ProductsForm…………………………………….Thickness DiaTitanium bar…………………………..4mm~300mmTitanium ...