Macnaught Mechanical Meter Compact, reliable and lightweight with easy to use mechanical counter. Perfect for light and heavy duty shop use. No calibration, easy to use with 1% accuracy. It’s the simplest way to measure a wide range of oils. SMALL SIZE NO BATTERY NEEDED EASY TO RESET NON RESETTABLE TOTALIZER IDEAL FOR MOBILE USE Macnaught Mechanical Meter Oil Dispensing Gun Oil Control Valve Mechanical Meter Dispensing Nozzle Hard to find Mechanical Register Oil Dispensing Gun. Registers in Quarts (resettable) and Totalizes (non-resettable) in Gallons! Compact, reliable & lightweight with easy to use mechanical counter. Perfect for light and heavy duty shop use. Flexible Spout with Manual Non Drip Nozzle is fitted with a balanced valve for reduced trigger pressure. The HG40P-02 is compact and lightweight. Shop operators love the simple yet robust Mechanical Meter Oil Dispensing Gun. Simple to Use, no programming or batteries required Good for all oils with a flow range of .26 – 7.8 GPM Mechanical Reset button for quart registration Flexible Spout with Manual Non Drip Nozzle ½” NPT Connection