Spark Plug Socket 1/2 ,3/8,1/4 Spark Plug Socketmodel: DH0021/2 deep socket8mm,9mm,10mm,11mm,12mm,13mm.14mm,15mm16mm,17mm,18mm,19mm,20mm21mm,22mm,23mm,24mm,25mm26mm,27mm,28mm,29mm,30mm,32mm3/8 deep socket8mm,9mm,10mm,11mm,12mm,13mm.14mm,15mm16mm,17mm,18mm,19mm,20mm21mm,22mm,23mm,24mm1/4 deep socket4mm,4.5mm,5mm,5.5mm, 6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm.14mm DH002 Spark Plug Socket