CR-MO alloy steel for long life Fully guaranteed Heavy duty blow mold case Shipping weight (Lbs.) - 42.9 INCLUDES 3/4" DR. DEEP: 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 35mm, 36mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm and 44mm