- Drive hexagon with 23 mm wrench size
- Hand-operated, knurled grip
- Rubber insert for holding the spark plug
- Acc. to DIN 3124, ISO 2725-1
- 1/2″ Square drive as per DIN 3120 – C 12.5, ISO 1174, with ball retention groove
What’s in the box
1 x 21mm Spark Plug Socket