AIR BELT SANDER 1/2" X 18" W/3PC. BELTS (#36, #40 & #60) SPOT WELD REMOVER About this item Great for Spot Weld Removal Simple belt tension lever Variable speed control and increased pulley space for new thicker belts Industry leading 0.5HP Includes: 303740 -Sanding Belt 40 Grit - 1/2" x 18" 303760 - Sanding Belt 60 Grit - 1/2" x 18" 303780 - Sanding Belt 80 Grit - 1/2" x 18" The Solution To Spot Welds & Metal Prep The Astro 3037 is the industry's newest and most popular way to remove spots welds quicker and cheaper than traditional methods. Other common tasks include metal prep and cleaning up welds. 360° Adjustable Arm Adjust arm angle as desired for better access with the simple turn of an Allen bolt using the supplied wrench. Universal Belt Fitment & Quick Changes Designed to fit nearly all 1/2" x 18" belt brands and styles, the 3037 auto-latches the arm open when changing belts, then auto-tensions by pressing the lever release. Adjustable Speed RPM adjustment located on rear of handle allows for fine tuning the speed required for your application up to 16,000RPM. 3035 Air Belt Sander 3036 Air Belt Sander 3037 Air Belt Sander Belt Size 3/4 x 20.5" 3/8 x 13" 1/2 x 18" Most Common Use Metal surface finishing Spot welds and metal prep Spot welds Belt Gaurd ✓ Power 1/2HP 1/2HP 1/2HP Air Consumption 4cfm 4cfm 4cfm