Tapered Cap & Plug - Outside Diameter Range 18.5 - 20.9 mm | 0.728 - 0.823 in ; Inside Diameter Range 17.1 - 19.3 mm | 0.673 - 0.76 in ;

This red cap & plug is designed to plug multiple inner diameters or cap multiple outer diameters. It is easy to fit and to remove, provides excellent protection from damage, dirt, moisture and corrosion during storage and transportation.