HomeMachine KnivesCalender Knives (Circular) MK36040 Calender Knife 5″ dia. (127.00 mm) 1/8″ thick (3.18 mm) Center hole dia. is 3/8″ (9.53 mm) Eight indexing holes are 1/4″ dia. (6.35 mm) and form a 1-1/4″ dia. (31.75 mm) circle High carbon steel with a 25° double bevel edge Package Qty 12 Weight (lbs) 0.613 Weight (kg) 0.279 Product UPC