The capacity of the jigger is 1 & 2oz. Use either the 2oz or 1oz end to perfectly measure single or double shots with absolute precision. 304 Stainless steel metal surface treatment, professional and modern appearance. Great for bars, restaurants or home use. Stainless steel finishes blend seamlessly with any home or business bar. After use, it should be cleaned, wiped dry, and placed in a dry and ventilated place. 3.3" H x 1.8" Diameter x 1.5" Diameter