IS-25 Ball Transfer Unit IS Type (Steel Body) IGUCHI made in JapanIS 25 Ball Transfer Unit IGUCHI made in Japan ISB ball transfer basic type. Machining main body can smoothly convey heavy loads, and can rotate while transferring. Machined ball transfers with exceptional endurance for heavy loads. Available in steel and stainless. Applications include refraction, curves, intersection, branches of conveyor systems, designed to convey heavy materials, changing direction of devices, also used for shearing, feeding and