Products E-commerce: Product/Category List Replacement Air Gauge Heads Pro Precision 4 ½” TPG Head Only Part: #52-52080 $159.99 Magnum 3 ½” TPG Head Only Part: #52-52081 $64.99 Deluxe 2 ½” TPG Head Only Part: #52-52083 $19.99 Basic 2” TPG Head Only Part: #52-52084 $19.99 Pro Digital TPG Head Only Part: #52-53080 $114.99 Semi-Pro Digital TPG Head Only 0-60 psi Part: #52-53081 $74.99 Basic Digital TPG Head Only Part: #52-53082 $32.99 Liquid Filled 2 ½” TPG Head Only Part: #52-52082 $29.99 Replacement Magnum 3-1/2" Air Pressure Gauge Bumper Part: #52-52078 $7.99 Replacement 2-1/2" Bumper for Digital Pro and Semi-Pro Air Pressure Gauges Part: #52-52077 $5.99 Replacement Deluxe 2-1/2" Air Pressure Gauge Bumper Part: #52-52075 $5.99 Replacement Basic 2" Air Pressure Gauge Bumper Part: #52-52074 $5.99 Replacement 2-1/2" Bumper for Liquid Filled Air Pressure Gauges Part: #52-52076 $6.99 Product:1 - 13 of 13