This set consists of: 1) Polished shungite harmonizer cylinder. Diameter of cylinder: 1.18 inches or 30 mm. Length of cylinder: 3.94 inches or 100 mm. 2) Polished steatite/soapstone harmonizer cylinder. Diameter of cylinder: 1.18 inches or 30 mm. Length of cylinder: 3.94 inches or 100 mm. Total weight: 450 grams or 1 lb. Shungite Harmonizer Cylinders Meditation Rod