12'' 300MM Digital ELECTRONIC Dual Beam Height Gage Double Column Gauge 12'' ELECTRONIC height gage; Very stable digital height gauge due to its twin guide system.; The measuring unit moves over two independent columns with an accurate measurement. Measuring Range: 0-12"/0-300mm; Resolution: 0.001"/0.01mm; Repeatability: 0.01 mm Accuracy: 0-200 mm: 0.03 mm ; &gt;200-400 mm: 0.04 mm; &gt;400-600 mm: 0.05 mm Hand-wheel drive for easy head displacement.; Large LCD Display.; mm/inch conversion.; On/off switch; ABS/INC switch-able and hold function. Quantity: 1; Overall dimension: 3-1/2''L x 8-1/4''W x 18-1/2''H; Weight: 10 lbs