Manufacturer Part #: SKEU. (1) 13mm x 15mm wrench 2. (1) 10mm x 12 mm wrench 3. (1) 2-in-1 spark plug socket – 5/8 in. (16mm) x 18mm 4. (1) Spark plug socket lever 5. (1) 5.5 (140mm) slip-joint pliers 7.