87 41 250 SB Multiple Slip Joint Spanner For metric and imperial nuts and screws with widths across flats from 10 to 32 mm (3/8" up to 1 1/4"); self-locking from 17 mm: no slipping on the workpiece. Zero-backlash gripping of metric or imperial hexagonal headed screws, no rounding of bolt heads. Reliable and tight gripping of rounded, rusty, or thick coated bolts and screws. Ideal for work on vehicle brake systems. Quick tightening of bolted connections using ratchet action. Push the button for adjustment on the workpiece, also possible with one hand only. Fine adjustment for optimum adaptation to different sizes of workpieces and a comfortable handle width. Box-joint design for high stability due to double guide. Reliable catching of the hinge bolt: no unintentional shifting. Favourable lever action: optimum transmission of force. Pinch guard prevents operators' fingers being pinched. Replaces a set of wrenches, ideal for tightening locknuts. - Adjustment positions: 15- Capacities for nuts: Ø 3/8 – 1 1/4in- Capacities for nuts: Ø 10 – 32mm