Cobra® quickset water pump pliers pvc grips 250mm 50mm capacity knipex 87 21 300 sb, knipex 87 series cobrareg quickset hightech water pump pliers are made from high grade vanadium special tool steel, that has been forged and then oil hardened, for a longer, robust working life'. '.strtoupper('t')hey combine the proven, reliable locking of the hinge bolt with an additional push function which makes it easier to work in very confined and inaccessible areas'. '.strtoupper('t')he adjustment directly on the workpiece is possible by simply sliding the pliers handle'. '.strtoupper('t')hey offer reliable locking of the hinge bolt with the first workload'. '.strtoupper('t')he gripping width of the pliers is then fixed and can only be adjusted by pressing the button'. '.strtoupper('t')o re activate the sliding function, the hinge bolt must be released by pressing the push button and the pliers must be completely opened again'. '.strtoupper('a')vailable with pvc or multi component grips'. '.strtoupper('s')pecification pipe capacities r round h hex and adustments87 21 250 r 50mm, h 46mm, 25 adjustments87 21 300 r 70mm, h 60mm, 25 adjustments87 22 250 r 50mm, h 46mm, 25 adjustmentsknipex 87 21 300 cobrareg quickset water pump pliers pvc grips knipex 87 21 300 sb cobra® quickset water pump pliers pvc grips 300mm 70mm cap