Adjustable Sandblasting Gun 90psi Sand Blaster Sand Blasting Machine Gravity Small Handheld Pneumatic Blasting Gun Hand Tool 1 . Portable gravity sandblasting machine, made of lightweight aluminum material, easy to operate, specially used for various light and small metal corners, sandblasting polishing, original edge, rust removal details trimming. 2. The roof mounted hopper is ideal for field use. 3. Lightweight and portable, easy to move, outstanding effect, adjustable medium flow valve provides you with precise control, simple operation, etc. 4. The all-aluminum body is light in weight and easy to handle. 5. Remove larger pieces that fit into cabinets. 6. It is specially used for a small amount of various light and small area reversible objects, small corners, sandblasting, rust removal, paint removal, oxide removal, burr removal, lettering, painting, etc. Product Specifications: Use: Home DIY Application: Sandblasting machine Air consumption: 7.0cfm Cup Capacity: 21lbs Air intake joint: 1/4 inch pneumatic sandblaster anti-rust sandblaster Pressure: 90psi Intake Fitting: 1/4 inch Outer Diameter: 11.5mm / 0.45in Nozzle diameter: 6.5 Diameter: 6.5mm/0.26in Packing weight: 500 grams Packing size: 280*250*90mm/11.02*9.84*3.54in Interface specification type: American / European / Japanese Package list: 1 * Sandblasting machine 1 * interface Notice: 1. This product uses the principle of gravity and negative pressure to eject the sand in the sand cup, so it is necessary to keep the gun head level or slightly downward when working, otherwise the sand will not be ejected. If you are dealing with a surface that needs to be treated with the tip elevation, this is not recommended! 2. The product is equipped with a sand cup of about 1 kg. Due to limited capacity, it is not suitable for large area and large processing capacity. At this time, it is recommended that you choose a sandblasting machine or a continuous sandblasting gun! 3. In order to ensure the use effect, the recommended working pressure is 0.7Mpa (7kg) and above, the volume of the gas storage tank is greater than 50L, the displacement is greater than 150L/min, and the air pump is too small, so it is not recommended to use it. How does the sand fit? 1. Clean or refurbish the surfaces of hardware, iron, metal, steel, molds, etc., choose brown corundum and white corundum. 2. Stainless steel, copper parts, aluminum parts, and zinc alloy products do not need to be treated again after sandblasting, or use glass beads for surfaces that require luminosity. 3. Applicable materials: crystal, acrylic, white corundum for glass. After using a grain of sand, you can choose the material and thickness of the sand according to the actual effect. Sand includes glass beads, brown corundum, white corundum, black carbon silicon, walnut sand, plastic sand, ceramic sand, steel shot, stainless steel shot, etc.