Check the listing for details. 2-pack 1" Steel-Wheel Spring Tension Rollers for Screen Doors ~ Prime-Line B513. Condition: New. Listed at 8.95 USD. 2-pack 1" Steel-Wheel Spring Tension Rollers for Screen Doors This listing is for a 2-pack of steel-wheel M-spring screen door rollers. This is a popular roller used by many sliding screen door manufacturers. These high-quality rollers replace:PrimeLine B513/CRL B513Slide-co 1109BSPECIFICATIONS:Steel wheel 1” (diameter) wheel with center groove High-tension steel M-springPACKAGE INCLUDES: two(2) steel-wheel tension spring rollers FREE SHIPPING:USPS Global Advantage (2-5 business days)We ship daily - Monday through Friday. If you order on Friday afternoon, your order will go out on Monday. If you have any questions about this item or need additional dimensions, please contact us.Not the right replacement part? Check out our other listings in our eBay store.