Wera 6004 Joker Self Setting Adjustable Spanner 190mm
At 188mm in overall length, this model covers fastener sizes from 13–16mm and 1/2–5/8"" imperial — bridging the gap between the smaller S and larger L variants. 6004 Joker M Self-setting spanner, 13–16mm x 1/2–5/8"" x 188mm.