Fowler Electronic Bore Gage Set The Industry's Two Most Popular Bore Gage ranges combined in one easy-to-use Electronic Set! All the same benefits included in the X-Tender Dial Bore Gage are now available with an electronic indicator providing inch/metric reading capability. Preset size of master for absolute reading and minimum hold feature to lock on the bore size as the gage is rocked in the part to be measured. Bore Gage Features Include... 1.4" - 6" / 35-150mm Measuring Range Carbide Anvils Easily Adjustable Self-Centering Includes Extension Holder Shop Hardened Case Digital Indicator Features Include... Dual Reading in/mm conversion Bar graph & numeric digital display 0.00005" / 0.001mm Resolution Preset with recall ABS / INC measurement Min / Max / TIR Includes Free instructional CD!