Caplugs ECP Series Ergonomic Center Pull-Tab Plugs offer the convenience of a center-pull tab plug in an ergonomic material. Caplugs ECP Series Ergonomic Center Pull-Tab Plugs are designed with a tab molded fully into the end and sidewalls of the plug so it does not break off during removal. To best accommodate your needs, Caplugs ECP Series Ergonomic Center Pull-Tab Plugs are available in 13 sizes, with measurements listed by Cap OD and Plug ID. This specific model (ECP-M10) has the following specifications: Cap OD 0.59" x Plug ID 0.38". Durable and flexible, Caplugs ECP Series Hose Caps are constructed from FlexTemp, a resilient thermoplastic rubber material that can stretch and return to its original shape. It can protect from temperatures up to 300° F (149° C). Caplugs prides itself on its extensive line of premium products that are suitable for a plethora of industries, from aviation to medical, general manufacturing and everything in-between. At Caplugs, we provide the broadest range of solutions and the highest quality parts right when you need them. Our teams work diligently to ensure consistent results, with more engineers on staff, processes for creative solutions and molding experts for reliable quality.