Reviews: Astro Ball Screw Rod 1204 - 12mm Dia. of 1000mm length (with end machining) with SFU1204 Flange Nut Combo Astro Ball Screw Rod 1204 - 12mm Dia. of 1000mm length (with end machining) with SFU1204 Flange Nut Combo [RKI-6096] - ₹4,200.00 : Robokits India, Easy to use, Versatile Robotics & DIY kits