WAG WAY / BIRD EYE , WAG WAY GRAPPLES- BONNETS ARE MADE OF HIGH TENSILE STRENGTH, ALL STRESS PROOF WAG WAY GRAPPLES- BONNETS ARE MADE OF HIGH TENSILE STRENGTH, ALL STRESS PROOF PINS, TEETH HAVE ABRASIVE RESISTANT HIGH IMPACT METALS TO INSURE STRENGHT AND RIGIDITY, THE SKINS AND SIDEARMS ARE MADE OF HIGH TENSILE STRENGHT STEEL, HAVE THREE HOLE ADJUSTABLE STIFF LEG