Testrite Visual | Telescoping Aluminum Tubing

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Round tubing made to close tolerances and telescopes in 1/8" increments (i.e. 7/8" fits into 1" and 1" fits into 1 1/8", etc.). Tubes can be cut to any length. Assemblies can be 2 sections up to 10 sections, depending on lock style. Stops and overlaps provide bearing and keep legs from pulling apart. Longer overlaps for extra long assemblies can provide extra bearing.

FA. Spring-Button A Clutch

Aluminum Finishing Choices

Etched & Clear or Black Matte Anodized, Bright Dip Gold Anodized, Bright Dip Clear Anodized, Other Colors: Many anodized and powder-coated options are available. Spiral Grinding, Mill Finish.

Attachments/Leg Ends

Cost effective Threads male or female, Rubber Bumpers, Bends, Piercing, Notching & Cross Drilling. Custom plugs and End Fittings, Finials, Leveling Glides, Casters.

Accessories

Ball Swivels, Stamped Mounts, Clamps, Screw Machine Parts, Yokes, Channels/Sign Mounts, Wireforms, Flexible Gooseneck Arms, Instrument Supports, Knobs.

Metal Bases

Square, Round, Oval, Bridge Base, Tripodal, Magnetic, Travel, Presto, Boomerang Shaped Zinc Diecast.

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Non-Rotational (NR) Feature

A-NR. Non Rotational

NR feature, allows legs to telescope, but not to turn, keeping constant their relative orientation. With the A lock it helps prevent unintended unlocking.

Aluminum "Clutch" Lock with knurl for easy turning. Split plastic sleeve tightens on the inside leg when the clutch is turned.

Trouble-free, secure, all metal construction.

Available all diameters (3/8" through 1 1/2").

Non-Rotational (NR) compatible down to 1/2" and up to 1 3/8". Specify A-NR.

Models Available:

Item Name
A·NR. Non Rotational

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Style FA

3 sections maximum, "Spring Button opens to specific positions, NR (non-rotational) feature included. Available from 5/8" to 1 3/8".

Allows legs to telescope, but not to turn, keeping constant their relative orientation. NR feature is standard with the F style "Spring-Button". No need to search for the hole with which to engage the button head. The A Clutch gives the locking mechanism additional bearing. Spring button engagement locations must be specified.

Models Available:

Item Name	Diameter
Style FA	5/8" to 1-3/8"

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E-NR. Non Rotational

Telescopic and captive, but non-locking.

Available diameters: 1/2" to 1-3/8"

Style E - Friction-free with mechanical indented stops.

Models Available:

Item Name
E·NR. Non Rotational

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