FEATURES: The Hillman Neoprene Flat Washers are great for adding resistance to your bolts and screws to prevent them from boring into the surface material and weakening it. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Neoprene flat washer measures 5/16 in. inner diameter x 1-1/4 in. OD x 1/16 in. thick These flat washers are part of the Hillman Deep Drawer program TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 30 days. Refund is void if you have installed, used, or damaged the item in any way. Item must be returned with its original box, packing materials, and instructions (if applicable) Cleared payment must be received within 2 days of the transaction prior to shipping. SHIPPING: Any posted shipping only applies to the U.S. 48 States PR. All other areas/regions will be automatically calculated with the shipping calculator and are based on your location. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. Please allow for ample shipping time for international destinations. If you have any questions, feel free to ask. Thank you for visiting!