50mm Flat Ribbed Silicon HD Cup - KC-ZP50HS Use of suction cups to lift/move your work piece offers lots of solutions. Handing board materials, open bags, pick electronic components, label and hold objects. Available in Flat Ribbed, & Bellow cup design ideal for the transportation of work pieces of different weights, shapes and surface finishes. • Available in both NBR & Silicon • Diameters 40mm to 125mm