HomeMachine KnivesCalender Knives (Circular) MK36030 Calender Knife 2″ dia. (50.80 mm) 1/16″ thick (1.59 mm) Center hole dia. is 3/8″ (9.53 mm) Ten indexing holes are 1/8″ dia. (3.18 mm) and form a 1″ dia. (25.40 mm) circle High speed tool steel with a 28° double bevel edge Package Qty 12 Weight (lbs) 0.050 Weight (kg) 0.023 Product UPC