Custom Balance weights are constructed of 303 Stainless Steel and include Rubber O-Rings for vibration dampening and superior tightening.  Custom Balance Weight Kit Includes: (2) .5oz weights,  (3) 1oz Weigths,  (1) 3oz weight, (1) 6oz weight, (3) Stainless Threaded Rods Dimensions:  .5oz- 1"diameter x .220" thick, 1oz- 1.25"  diameter x .240" thick  3oz- 1.5" diameter x .440" thick 6oz- 1.5" diameter x .880" thick Threaded: 1/4-20