Starcke Premium 25Ct Contractor Pack (600Grit, 800Grit, 1000Grit), And Marine. 25ct. Contractor Pack of 5-600 grit, 10-800 grit, and 10-1000 grit. 9 x 11 Inch high performance Silicon Carbide, closed coat waterproof sanding sheets with a resin over resin bond. A-weight flexible paper backed sanding sheets, long soak not necessary. Water prevents clogging and allows for dust free sanding Ideal for sanding primer, putty, filler, lacquer, and final painting/surface prep. Use by hand or attach to high speed vibrating sander Product Features 9 x 11 Inch | 25 Pack | 5 - 600 grit, 10 - 800 grit, 10 -1000grit Premium black Silicon Carbide grain on waterproof (wet dry) flexible A weight paper backing for a precise and uniform finish Plain backed sanding sheet for hand sanding Exceptional results in wet and dry sanding finishing applications for stone, metal, autobody, paint, primer, plastics, marine, composites and cultured marble. Specially engineered top waterproof product for wet sanding Professional grade, German quality, stocked shipped from the US. Starcke is family owned with over 100 years of experience in manufacturing abrasives 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!