Tolsen 3/8 inch drive 21mm or 13/16inch spark plug socket is made with chrome vanadium steel. The socket is designed to fit most 13/16inch spark plugs and can be used with most tool sets that are equipped with 3/8 socket driver or extensions. The socket is chrome plated for protection against corrosion and comes with a plastic hanger.

Features:

• Made of high quality chrome vanadium steel
• Made to fit most 21mm or 13/16in spark plugs
• Can be used with most standard 3/8 drive ratchets and extensions
• With help of this tool you will be able to secure or loosen the spark plug
• Internal rubber sleeve helps to lift the spark plug out of a spark plug bay

Specifications:

• Brand: Tolsen
• Model: 15502
• Socket type: spark plug socket
• Size: 13/16in or 21mm
• Drive size: 3/8 in or adjustable wrench 
• Socket length: 2.5in or 63mm
• Weight: 4.6oz or 131g

Package includes:

• 13/16 inch 3/8 drive spark plug socket
• Plastic hanger