Knipex 85 51 250 a spring hose clamp pliers and grip inserts knipex 85 59 250 a these spare grip inserts from knipex are for the 85 51 250 a 58 2878 spring hose clamp pliers the rotatable universal grip inserts are ideal for reliably gripping the clamps in all positions knipex 85 59 250 a spare parts assortment grip inserts for 85 51 250 a