Spec No. 7 For Blast Cabinets Or Sand Blasting Guns - Small, 80 Mesh Or Grit. Small Diameter Glass Bead Blast Media, #7, 60-80 Mesh Grit, 250-177 Micron Size. 8.6 kg | 19 lbs. Recommended for applications where you want to remove debris without damaging the item's surface. Glass beads are designed to peen surfaces at low pressure. Glass bead media works well on soft metals like aluminum and brass as well as plastic. Glass beads at low pressure will remove substances from surfaces without changing surface dimensions. Works with a blasting gun or in a blast cabinet. Product Features Spherical-Shaped Particles Peen Surfaces to a Satin Matte Finish Comm Spec No 7 or 60-80 Grit Glass Bead Abrasive Media Manufactured New Glass Beads Are inert, certain no free silica (not silicosis hazard like silica sand and are easy and safely disposed of) Use Low Pressure 20-60 PSI. Soft/Sensitive Materials Exceeding 70 PSI Lowers the Longevity of the Glass Media. Peen to Higher Intensities at 90 degree nozzle angle. Consume material at a faster rate at 90 degree nozzle angle, higher blast pressures and greater workpiece hardness. Made in Canada Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!