Specifications:

.5 oz - 1 in. diameter x .220 in. thick. Includes 2 weights.
1 oz - 1.25 in. diameter x .220 in. thick. Includes 3 weights.
3 oz - 1.5 in. diameter x .440 in. thick.  Includes 1 weight.
6 oz - 1.5 in. diameter x .880 in. thick. Includes 1 weight.
Threaded Rods - Includes 1ea 1.5in., 2in., 3in.