These parts are sold each, and Shipping is $4.99. There are quantity discounts on this item. The original manufacturer of this part is out of business. The part now comes in 2 pieces, (As shown in the 1st and 2nd picture). Instead of the shaft being attached to the Oblong Roller, there is now a pin that fits into the plastic part.. (The 3rd Picture shows what the old style original part looked like). Enhance the functionality and durability of your futon with this high-quality FUTON FRAME OBLONG ROLLER/SLIDER/GLIDER/DOWEL HARDWARE PART from Fantasy Futons and Furniture. Expertly made in the United States, this plastic material fits perfectly and comes in Black, but at times may come in a different color. There are 4 Rollers needed on every futon frame. This FUTON FRAME OBLONG ROLLER/SLIDER/GLIDER/DOWEL HARDWARE PART attaches to the Back Deck of the Futon Frame, and slides in the track of the arm, so that the frame can convert from the Sofa Position, to the Bed Position. These will fit many makes and models of futon frames. There are many other types and sizes of Rollers. If you have a different type, let us know, and we'll make a listing for it. We have even custom made many other items for Futons, Furniture, Tables, and many other items. Let us know if you need something custom designed and made. Here are the approximate dimensions of this item. 2 1/8" Long Plastic Roller Portion, 1 1/2" From Metal Shaft to top of Plastic Roller, 11/16" wide, 1/4" Shaft We ship all orders on Wednesday's. The listing says 4 days, but if you order on a Tuesday, or early on Wednesday, it will ship that day. If you order on Thursday, it won't ship until Wednesday the next week. Sometimes when we have lots of orders, we'll ship more often. If you need something quickly, just send us a message and we'll try to accommodate your needs. If you have any other questions, please send us a message. Thank you The FutonsNet Team