Caplugs 99394278 Plastic Tapered Cap and Plug. T-7, PE-LD, Cap OD 0.518" Plug ID 0.667", Red (Pack of 200) : Amazon.co.uk: Business, Industry & Science
STD-5497 AN806 and AN929 CAPS and PLUGS Kit
AN Plastic Caplug Cap & Plug Set - 72 Pack
Blanking Caps and Plugs Pearson Hydraulics
Plastic Caps and Plugs: Types, Materials, Applications, and Benefits