Gripping capacity Ø 28 mm, width across flats up to 24 mm – at only 100 mm length.Box joint: high quality and durability provided by dual guide.Gripping surfaces with specially hardened teeth, hardness approx. 60 HRC.Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required.Pinch guard prevents operators' fingers being pinched.Fine adjustment with 11 adjustment positions......