Made of the highest quality implant grade surgical steel (Type 316 L) these circular barbells will last a lifetime. Measurements are the inside diameter of the ring. The 16g circular barbells are threaded with M1.0 threads. All others are threaded with M1.2.circbbl1.2-08 - Circular Barbell 16g. 5/16"circbbl1.2-08 $12.75 | circbbl1.2-10 - Circular Barbell 16g. 3/8"circbbl1.2-10 $12.75 | circbbl1.2-12 - Circular Barbell 16g. 1/2"circbbl1.2-12 $12.75 |
circbbl1.6-10 - Circular Barbell 14g. 3.8"circbbl1.6-10 $13.50 | circbbl1.6-12 - Circular Barbell 14g. 1/2"circbbl1.6-12 $13.50 | circbbl1.6-16 - Circular Barbell 14g. 5/8"circbbl1.6-16 $13.50 |