Best Seller | SK PROFESSIONAL TOOLS 4478 3/8 in Drive, 9/16" SAE Socket, 6 Points Flex Spark Plug Socket, Hand, Chrome, 6-Point, Socket Size 9/16 in, Bolt Clearance 1 1/2 in, Drive Size 3/8 in, Impact Rated No, Alloy Steel, SAE, Non-Magnetic No, Non-Sparking No, Socket Depth Standard, ASME B107.110-2012, No ... more SK PROFESSIONAL TOOLS 4478 3/8 in Drive, 9/16" SAE Socket, 6 Points Flex Spark Plug Socket, Hand, Chrome, 6-Point, Socket Size 9/16 in, Bolt Clearance 1 1/2 in, Drive Size 3/8 in, Impact Rated No, Alloy Steel, SAE, Non-Magnetic No, Non-Sparking No, Socket Depth Standard, ASME B107.110-2012, No | | $35.53 go to store |