Spark Plug Wrench Material:45# plastic grip Length:220mm Size:16mm and 21mm Treatment:chrome plated * Size:16mm and 21mm.* Material: carbon steel* Surface: polished, chromed plated or zincification.* The handle is in plastic dipped and any color is optional.* Packing: Tie on card, skin card packing, blister card, double blister card, or PVC polybag packing. T handle spark plug wrench