The 3 piece water pump pliers are made from high quality chrome vanadium steel oil hardened self adhesive onto pipes and nuts gripping surface with specially hardened teeth the pliers have a clamp protection the gripping jaws have been smoothed on the side the handles are covered in plastic size of pliers length 175 mm jaw opening 29 mm length 240 mm jaw opening 39 mm length 300 mm jaw opening 49 mm 10 year westfalia warranty