HHIP 1 X 1-27/32 X 53/64 X 1-1/4 Indexable T-Slot Cutter (2077-0506) ~ 7° relief. ~ Setting rake is 90°. ~ For milling, "T" slotting, bottom shouldering & side slotting. ~ Bolt size is 1". ~ Cutter diameter D is 1-27/32". ~ Cutter width b is 53/64". ~ Neck diameter d1 is 1-1/32". ~ Shank diameter d is 1-1/4". ~ Undercut length L1 is 2-9/16". ~ Overall length is 4-7/8". ~ Takes 4 CCMT 43 inserts. ~ Replacement screw size is M5 X 10 #2100-0075.