54-199-106-0 Fowler-Trimos 8mm Probe Set, Free ShippingFor use with Fowler Trimos Height Gages. Complete Probe Kit includes 4mm Carbide Ball Probe, 140mm length 2mm Carbide Ball Probe 1. 5mm Carbide Probe Pin 90 Swivel Holder: 4mm Measuring Insert Holder: 2mm Metric Insert Holder: M2. 5 Insert Holder: L=124, M2. 5 Insert Holder: L=200, M2. 5 Hemispheric Probe Tip Disc Shaped Insert: 18mm Test Indicator Tip: 1mm Test Indicator Tip: 2mm Test Indicator Tip: 3mm Key for Ball Tip 2. 5mm Hex Wrench Includes