I found these guys through Ebay. They sell their products at a reasonable price and deliver quickly and free. My last consignment I bought from them directly and will definitely buy from them again.
Description
To prevent damage to the alloy wheels and nuts each socket has a protective sleeve.
Made from chromium-vanadium steel for strength and durability and helps resist abrasion, oxidation, and corrosion.
Sizes: 17, 19, 21 & 22mm
1/2" drive so will fit any 1/2" drive ratchets / bars / extensions etc.
6 Point single hex socket
Colour coded for identification
Overall length: 79mm
Suitable for both manual and impact wrenches.