1. European specification: 5 x 50 ~ 8 x 70mm (zinc alloy)

2. American specification: 5/32 ~ 3/8inches (zinc alloy)

3. 1/4 ~ 1inches (steel & stainless steel)

4. 5 ~ 25mm (stainless steel)

Primary Competitive Advantages:

. Prompt Delivery

. Competitive Price

. Small Order Accepted

. OEM Accepted