Features a fine diamond tip in a floating stylus that creates bright stippling. Lets you adjust impact strength from gentle to heavy and spring action of stylus from tight to relaxed to create a wide variety of effects. Runs cool with little vibration. Made of stainless steel. Includes two diamond tips (one mounted and one spare), 39" (990.6mm) air hose and quick-connect air fittings. Measures 5/8" diameter x 5.5"L (3.275 x 139.7mm). Air requirement: 45-70 PSI. Made in Spain.