April 11, 2025 slot 1 Slot Lathe Tooling Block 6-Bolt Holes Pattern 75x50mm Turning Tool Holder Bolt Hole Pattern : 75mm wide x 50mm for each set of holes (so 100mm long) – please see the pictures for a rough diagram. Bolts are not included. Please see all the pictures. Please offer on multiple items to get the best deals!