2 x 9ct / .375 - BOLT RINGS

The larger one details:

8mm diameter 

Marked .375

Weight  0.31 grams

Please view the last two pictures as it looks to have been used 

It has marks on the open ring

The smaller one details:

6mm diameter

Marked 9ct

Weight  0.19 gram

Please view picture one....there is a very small gap

where the bolt closes