1.Roller track is a part of Material handling equipments 2. operated by gravity 3.lean pipe for carton flow rack Roller track 1.Material:Bracket- Galvanzied steel plate,thickness 1.0mm Roller- ABS2.Roller diameter30mm3.Roller width22.25mm4. Roller center distance36mm5.Roller color:Black / White / Yellow / or according to buyer's request6. Standard Length:4000mm/3000mm or depends on buyer's ...