Prime-Line 1-1/2 in., Nylon Roller with Ball Bearing Replacement (2-pack) D 1506 - The Home Depot
גלגלים לשער ברזל הזזה | Sliding Door Roller Gate Wheel - 1 Sliding Gate Door 201 - Aliexpress
DuraGates 10" Side Nylon Roller 253 (Steel) For Support - Cantilever Sliding Gate Hardware | Cantilever Gate Parts
Amazon.com: Skelang 6" Slide Gate Guide Roller with Post Welded Bracket, UHMW Hard Nylon Sliding Rolling Gates Guider, Heavy Duty Sealed Ball Bearing Side Roller Assembly, Pack of 2 : Tools &