T-Slot Aluminum Extrusion 15S 2 Hole Joining Plate Part#: 4307 2 hole 1/4" thick 5/16" fastening hole 1.5" x 3" 8020 EQUIVALENT ALUMINUM 2 HOLE JOINING PLATE #4307 T-Slot Aluminum Extrusion 15S 2 Hole Joining Plate Part#: 4307 2 hole 1/4" thick 5/16" fastening hole 1.5" x 3" Payment Shipping Returns Payment is required at the time of purchase through Paypal. We ship Monday-Friday 8am-4pm. We try our best to get every order shipped the same day. We ship with Fedex Ground, UPS Ground, USPS First Class and USPS Priority. If you need faster shipping, we are able to ship certain items via air. Of course, that cost is much higher and you would need to call for a shipping quote. We do combine shipping whenever possible. A tracking number will be provided at the time of shipment. Buyer has 30 days to contact Enviro-Safe regarding any issues or to request a return. The item will be replaced or the buyers money refunded AFTER Enviro-Safe receives the item back in the same condition that is was shipped. If the buyer requests the return and there is nothing wrong with the item, the buyer is responsible for the return shipping and will not be refunded for the original shipping. If the item is defective, Enviro-Safe will supply a label for return and will refund or replace in full. Note: hazmat shipments can not be returned. Powerful listing templates by 3Dsellers