20 Pcs Silicone Rubber Stopper Plugs

Lot of 20 black silicone rubber stoppers. They're made of silicone material with high temperature, acid, and alkali resistance. Tight sealing, high elasticity, and reusable design. Each stopper is 10mm/0.39" tall and 18mm/0.71" wide at the base. High Temp Silicone Plug Mount Dia 10mm/0.39 inch T Shaped Rubber Stopper for Powder Coating Plating Sealing Black Pack of 20(OD 18mm)