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 Round Tubes & Locks 

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Clutch Telescopic Tube Lock (A)
Aluminum A Style Clutch Lock with knurl for easy turning. This internally threaded 'clutch' includes a split plastic sleeve to tighten on the inside tube when the clutch is turned.
Split Collar Telescopic Tube Lock (B)
B Style Split Collars are very strong and stiff. They're our strongest lock and are suitable for use with our aluminum tubing or with steel tubing.
Telescopic Tube Clamp (L) Lever Lock
The L Lever Lock is one of our strongest telescopic tube locks. This is a simple one handed flip lock, for custom telescopic tubing assemblies in qty 25+
Cam Telescopic Tube Lock (C)
C Style internal Cam locks are internal and twist to close. This lock is ideal when one handed operation is necessary. Available in 1/2 through 1-1/4 diameters.
Shock Cord Tubing (D)
D Style shock cord legs, also known as bungee cords, open easily as they nearly assemble themselves. All sections must be the same diameter.
Non-Locking Telescopic Tube (E)
The E Style Non locking telescopic tubing keeps the inner tube(s) 'captive' so they can't come out. Though this telescopic tubing style is non-locking, there are...
Spring Button Telescopic Tube Lock (F)
F Style spring buttons lock in the tubes at predetermined positions. Non-rotating inside tubes are used to make lining up the spring buttons with the holes automatic.
Spring Button Clutch Telescopic Tube Lock (FA)
FA Style features the A Clutch lock and the F Spring button lock.  This enables the tubes to stop at predetermined positions, while the A Clutch lock eliminates any play.
Snap Lock Telescopic Tube Lock (G)
The G Style Snap Lock is in some ways our easiest lock to use.  Simple snap lock system offers effective strength, a clean look and an economy price point.
Set Knob Telescopic Tube Lock (H)
Set Knob Telescopic Tube Lock is specially designed to limit marring of the tubes while keeping the inner tube captive. Full metal construction, this is our most expensive...
Mini Economy Telescopic Tube Locks
Mini Plastic Telescopic Tube Lock is simple to operate.  Only two sizes are available.  One for a 5/16 outer tube with a 3/16 inner rod.  Another for a 1/2 outer tube with...
Swaging for Aluminum Tubing
An economical way to form leg ends, so one leg nests into another. A spring button can be an option. Swaging features close tolerances and provides great strength.
Non-Rotating Telescopic Aluminum Tubing
Non-rotational telescopic tubing is U indented and will telescope but not turn.  Manufactured to tight tolerances it is available in 1/2 thru 1-1/4 diameters in 1/8” increments.
Round Telescopic Aluminum Tubing
This telescopic aluminum tubing is ideally suited for telescopic assemblies.
Round Steel Telescopic Tubing
Round steel tubing is suited for applications calling for extreme strength or need to weld to a steel plate or base. Testrite typically stocks only 7/8 and 1 diameters...