TREG Poly Block Couplings are Australian Design Rules approved. TREG Poly Block Couplings are available in 3T rated weld on and bolt on styles for Electric Brakes. Also available as a 2T Bolt on coupling for Hydraulic or Mechanical Brakes. TREG Poly Block Couplings also available in a 3.5T weld on coupling for Electric Brakes. TREG Poly Block Couplings must be used with the appropriate 3T or 3.5T TREG Detachable U Vehicle fitting only.
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