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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.
TNU Top Chain Curved Movement
TNU Top Chain Curved Movement - 2
Unit of Measure
1 

Item #

Slat Width XW

Color 

Chain Material

TNU826 N/A 3.250 in N/A Gray N/A Carbon Steel or Nickel-Plated
TNU1143 N/A 4.500 in N/A Gray N/A Carbon Steel or Nickel-Plated
TNU1270 N/A 5.000 in N/A Gray N/A Carbon Steel or Nickel-Plated
Unit of Measure
1