Good Day! Our company is going to buy ball transfer units in amount of 120 items. Herewith I am sending You roller specification we need. Send us please a price of products if there any with such dimensions. With the best regards, Maksym Tarasevych Energo-proekt 04050, Kiew, Ukraine Pymonenko 13 Zh +380 44 2053887 tmn855@gmail.com Main ball – Dia (mm)-15,8, Material – carbon steel Subball - Dia (mm) – 3/18 Material – carbon steel Housing – carbon steel Z/P Load capacity Ball up -15, Ball down -6 I want to receive: Product Spec . Delivery Info . Minimum Order .