Magnetic Chuck Parts & Accessories 4″ Rail with Holes – RAIL-4H For use with the following: PM4x4FPH MSB4x4FPH MCS4x4FPH View Details On/Off Wrench for 4″ Magnetic Chuck View Details 6″ Rail with Holes – RAIL-6H-ST View Details 6″ Rail with Holes – RAIL-6H View Details 6″ Rail with Holes – notched – RAIL-6H-N On / Off notch View Details 8″ Rail with Holes – RAIL-8H View Details 8″ Rail with Holes – notched- RAIL-8H-N Notched for On / Off View Details 9″ Rail with Holes – RAIL-9H View Details 9″ Rail with Holes-notched – RAIL-9H-N notched for On/Off View Details 12″ Rail with Holes – RAIL-12H View Details 12″ Rail with Holes-notched – RAIL-12H-N View Details On/Off Wrench for Hard Milling Magnet View Details End Stop for EMS Stainless Steel View Details Support Plates for EMS Stainless Steel View Details On/Off Wrench for EMS Allen wrench used for turning Magnetic Chuck EMS on & off View Details