The Turin-based company O.M.G. produces extremely resistant pallet rollers that are made with different materials. Here is all the information regarding the rollers:

• TPAC: Polyurethane pallet rollers with steel centre

• TPVK: 'VULKOLLAN BAYER' pallet rollers with steel centre

• TPPI: Injected polyurethane pallet rollers with steel centre

• TPPN: Polyurethane pallet rollers with nylon centre 

• TPMN: Monolithic nylon pallet rollers

• TPST: Hermetic polyurethane pallet rollers with steel centre 

http://www.omg-prod.it/