Summary: The Steel Insert for 1.5-inch OD Round Tubing is a tubing insert from Lavi Industries that stiffens 1.5-inch A110 round tube from the inside. Part number 20-A110SL/12 is a mill-finished steel sleeve with a .104-inch wall, supplied in 12-foot lengths and sized for .050-inch wall tubing. It weighs about 1.33 pounds per foot and adds that mass where a rail is pushed and leaned on all day. Queue railing, guard rail, and bar foot rail are the uses Lavi names for it. The insert is concealed, so the finished rail shows only the brass or stainless tube. Lavi quotes it by job, and the A100SL and A120SL cover the 1-inch and 2-inch sizes. Ships from US inventory.
Key specs: SKU=20-A110SL/12; Material=Mill-Finished Steel (carbon steel; non-decorative industrial structural function; hidden inside tubing); Tubing OD=1.5" STANDARD (Lavi's MOST COMMON commercial OD; PRIMARY pairing with A110 1.5" Round Tubing); Product Type=Steel Insert — internal steel sleeve structural reinforcement accessory (Steel Insert family 2nd OD)
Steel Insert for 1.5-inch OD Round Tubing
For the most common rail size, this steel sleeve (20-A110SL/12) adds concealed reinforcement: slid inside 1.5" A110 tubing, it upgrades a standard rail for heavy use — queue railing, guardrail, footrail. It fits .050"-wall A110 tube and arrives in a 12-foot length that cuts to size. Call 1.888.285.8605 for a quote.