Diamter直径：M1.2-M5.0
Length长度：From 12mm(1/2 inches) to 250mm(10inches)
Material 材质：#45 steel
Finish表面处理：Zinc Plated/Black zinc plated 镀锌、镀黑锌
Packing specification: Bulk (25 kgs/box) or small packing (has or does not have trademark) or according to customer request
包装规格：散装（25公斤/箱）或者小包装（有或没有商标）或者根据客户的要求