Rings
*Material: Tungsten carbide
*model number: PTR-188
*Width: 8mm
*Thickness: 2.3-2.5mm
*Size: 4-15,include half size
*Crafts: High Polished,Grooved,Brushed
*MOQ: 20 pcs/size/design,sample order is acceptable
*Supply capacity: 100000 pieces/month