The Rothenberger 11078 A1 Tube Expander, 1-3/8"- 4-1/8"OD is a genuine Rothenberger product. This expander is designed for efficient, fitting-free tube installation in plumbing, heating, gas, refrigeration and climate control systems. It has a strong pin guide bearing the expander head segments, allowing high-loads. It also features a trapezoid-shaped thread on the connection point with a self-lubricating bronze socket to optimize force transmission.
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