Description: 18 different sizes, 125 pieces the sealing ring is made of superior rubber variety of thickness and size are all in one box, very convenient to use heat-resisting, mineral oil-resisting, wear-resisting suitable for pipes, hydraulic, air, gas, and many other industrial applications 125pcs rubber sealing round ring gasket grommets assortment kit 125 rubber grommet firewall hole plug set electrical wire gasket assortment kit 125 pcs black ring rubber grommets assortment sealing gasket kit car truck boat specifications: box color: transparent sealing ring color: black size types: 18 sizes (as picture show) box size (l x w x h): 20.5x10.3x3cm/8.07"X4.06"X1.18"(approx) quantity: 1 set (125 pieces) package included: 1 box sealing ring(125 pieces)