This is a 1" OD Turning CNC Lathe Turning Center Turret Boring Bolt-On Block Toolholder. Not sure what CNC lathe these are for. The Okuma LFS-15 has the same bolt pattern, but the locating pin is different. See if these will fit your machine. 

SPECIFICATIONS: 

OD Turning Tool Capacity: 1"

Locating Key Width: 25mm

Bolt Hole Patterns: 75mm x 55mm

Overall Dimensions: 5-1/8" x 4" x 2-5/8" high

Comes exactly as shown in pictures.

LOCAL PICKUP AVAILABLE @ 1520-A INDUSTRIAL PARK ST. COVINA, CA 91722.!

HABLAMOS ESPAÑOL.

LOC: S3E