![Themac 14566 Tool Post Grinder Spindles & Adapters; Spindle Type: Internal ; For Use With: J-3, J-30, J-35, J-4, J-40 & J-45 Grinders ; Spindle Hole Diameter: 1/4 in ; Maximum Wheel Diameter Compatibility: 5 ; Maximum Wheel Diameter Compatibility (In Themac 14566 Tool Post Grinder Spindles & Adapters; Spindle Type: Internal ; For Use With: J-3, J-30, J-35, J-4, J-40 & J-45 Grinders ; Spindle Hole Diameter: 1/4 in ; Maximum Wheel Diameter Compatibility: 5 ; Maximum Wheel Diameter Compatibility (In](https://cdn11.bigcommerce.com/s-rerso7mgzy/images/stencil/640x640/products/706258/961736/0044957-11__02226.1711340172.jpg?c=1)
Themac 14566 Tool Post Grinder Spindles & Adapters; Spindle Type: Internal ; For Use With: J-3, J-30, J-35, J-4, J-40 & J-45 Grinders ; Spindle Hole Diameter: 1/4 in ; Maximum Wheel Diameter Compatibility: 5 ; Maximum Wheel Diameter Compatibility (In