2- Plastic Hold Down Blocks with Plastic Main Rail Hooks and Tightening Knob

This kit includes 2 additional 1.5" 1/4 20 carriage bolts, 2-3d printed PETG main rail blocks with adjustment slots, 2- PETG hold down topers with locking lip, color choice of Black, Blue or Red. This kit would be used to further secure your rotary or chuck. These can also be used for other reference positions for using the ROKO Twister Tray with taller projects that don't use a rotary or chuck. This kit is not required for the operation of the twister tray, but nice to have for additional support.