Knipex 87 41 250 insulated pliers wrench tool 250mm knipex 87 41 250 this 250mm l raptor multiple slip joint spanner from knipex can replace an entire set of wrenches for all screw thread jobs metric and imperial while also ideal for counter tightening it even tackles rusted or painted fastenings that offer no purchase to traditional pliers the extraordinarily powerfully locking grip jaws combine ease of adjustment at the touch of a button on the workpiece with the functionality