{"product_id":"vorg3655057-prime-line-b-640-adjustable-spring-tension-roller-assembly-1-in-dia-roller-1-4-in-w-roller-polyethylene-roller-steel-b640","title":"Prime-Line B 640 Adjustable Spring Tension Roller Assembly, 1 in Dia Roller, 1\/4 in W Roller, Polyethylene Roller, Steel","description":"This roller assembly with M shaped tension spring with a 1 in high density polyethylene ball bearing roller is used by several patio door manufacturers. The heat-treated tension spring is 2-5\/16 in L and shaped like an M giving it the tension needed by the screen door to slide properly.\u003cbr\u003eUnit: CD 2\u003cbr\u003eUPC: 049793006400\u003cbr\u003eModel Number: B640","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45081465979178,"sku":"MORG3655057","price":5.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/6332\/2154\/files\/3655057_xbcf8f.jpg?v=1769170878","url":"https:\/\/mrosupreme.com\/products\/vorg3655057-prime-line-b-640-adjustable-spring-tension-roller-assembly-1-in-dia-roller-1-4-in-w-roller-polyethylene-roller-steel-b640","provider":"Mrosupreme.com","version":"1.0","type":"link"}