BAG - JVT193 2 Equalizer Visual Vacuum Plunger Cups JVT193 - Glass Windshield Setting Tool FEATURES LARGE SIZE WINDSHIELD SETTING CUPS - 7 inch in diameter EACH CUP IS RATED AT 90 LBS LIFTING CAPACITY DURABLE - Handles are made of cast iron aluminum and are attached to the cup by high tensile strength bolts. HIGHLY VISIBLE VACUUM PUMP RING - Red line disappears as you pump the plunger to seal. Red line re-appears to warn you if you are losing pressure.