U.S. Tsubaki TNU Top chain consists of polyacetal resin top plates snapped onto a special chain the same size as RS60 chain and made of carbon steel or nickel-plated carbon steel. The outside surface of the snap is tapered for float prevention.

TNU AND TNU-NP
Top plates are made of polyacetal. Chains are carbon steel or nickel-plated.
Unit of Measure
Items
TNU Top Chain Curved Movement

TNU Top Chain Curved Movement

TNU Top Chain Curved Movement

TNU Top Chain Curved Movement

TNU Top Chain Curved Movement

TNU Top Chain Curved Movement
Slat Width XW N/A 3.250 in N/A 4.500 in N/A 5.000 in
Color  N/A Gray
Chain Material N/A Carbon Steel or Nickel-Plated