This is an Okuma 1-1/2 I. Boring CNC Lathe Turning Center Turret Boring Bolt-On Block Toolholder. Fits Okuma Cadet, Captain 370, ESL8, ESL10, Heritage, LB-15, LB15IIM, LB250T, LU25, LU15, Crown, LB25, CAP470, L1420, LB4000EXBB/1500, L470, Genos250-V8, LB3000, LU4000 Lathe. ID Boring Tool Capacity: 1-1/2. Bolt Hole Patterns: 80mm x 45mm. Comes exactly as shown in pictures.