Self-centering, heavy duty checks slots, grooves, recesses, cylinders. Product Features:Handles are up to 5-1/2 longSatin chrome finishBoth contacts release or lock by turning knob at end of handleMeasurement is read with micrometerIndividual gages #4349-#4354 are available separately4349: 5/16-1/2; 4350: 1/2-3/4; 4351: 3/4-1-1/4; 4353: 2-1/8-3-1/2; 4352: 1-1/4-2-1/8; 4354: 3-1/2-6
