cast iron ornaments hole size
The most popular items of cast iron ornaments are cast iron collar.
The size is 1/2 or 5/8. 5/8 is the widely used and usually shipped by one container.
The weight of cast iron collar is about 0.2-0.23kg。
Cast iron collars are used on handrail or window fence post. The installer hitched the collars to the post.
Now all of the cast iron collars are used coated sand mould to produce.