21mm Pro Plug Socket

Features:

• The socket is designed to fit into the spark plug cavity
• Available in 16mm - 5/8", 18mm - 11/16" and 21mm - 13/16" sizes (Use with a 3/8" square drive or 17mm wrench) ,18mm Can be used with a 3/8 ratchet or 13/16 wrench
• Thin wall design allows for use in small plug cavities
• 14 mm size Can be driven with 1/4" drive ratchet, 13mm or 14mm wrench, socket or T-handle
• Swivel extension can be used in either fixed or swivel configuration