Stahlwille SW51 Spark Plug Socket, 1/2" Drive, 20.8 mm (13/16"), 83 mm Long

The Stahlwille 51 20.8 mm (13/16") is a 1/2" drive long socket with a rubber insert for holding the spark plug. It is 83 mm long, weighs 194 g and has a double hexagon profile with the AS-Drive design. Stahlwille lists it to DIN 3124 / ISO 2725-1 (manufacturer-stated).

The socket is HPQ high performance steel, chrome-plated. A spare rubber insert is item 09010001. Stahlwille gives the size as 20.8 mm and 13/16". This is a different item from the 16 mm (5/8") 51 spark plug socket sold on its own page.

Where this product is used

• Removing and fitting spark plugs with a 20.8 mm (13/16") hexagon
• Plugs set deep in the head where the rubber insert holds the plug on the way out
• Workshop and service work on engines that use this plug size

Features

• 1/2" drive spark plug socket, 20.8 mm (13/16") across flats (manufacturer-stated)
• Rubber insert fitted to hold the spark plug (manufacturer-stated)
• Double hexagon, AS-Drive profile (manufacturer-stated)
• 83 mm long, 194 g (manufacturer-stated)
• HPQ high performance steel, chrome-plated (manufacturer-stated)
• Listed to DIN 3124 / ISO 2725-1 (manufacturer-stated)

Key specifications

Selecting the right option

Match the 20.8 mm (13/16") across-flats size to your plugs. The 3/8" drive version is the Stahlwille 46 spark plug socket (20.8 mm, 3/8" drive) and the 16 mm size is the Stahlwille 51 spark plug socket, 16 mm (5/8"). For other long sockets see the Stahlwille 51 long bi-hex sockets (1/2" drive).

Related products

Related Stahlwille products: Stahlwille 46 spark plug socket (20.8 mm, 3/8" drive), Stahlwille 4606 spark plug socket (18 mm, 3/8" drive), Stahlwille 51 spark plug socket, 16 mm (5/8"), Stahlwille 51 long bi-hex sockets (1/2" drive) and Stahlwille 512-2K 1/2" drive ratchet.