Testrite Instrument Co., Inc. | Split Collar Telescopic Tube Lock (B)

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Round Telescoping Aluminum Tubing Locks

Clutch Telescopic Tube Lock (A) Split Collar Telescopic Tube Lock (B) Cam Telescopic Tube Lock (C) Shock Cord Tubing (D) Non-Locking Telescopic Tube (E) Spring Button Telescopic Tube Lock (F) Spring Button Clutch Telescopic Tube Lock (FA) Snap Lock Telescopic Tube Lock (G) Set Knob Telescopic Tube Lock (H) Mini Economy Telescopic Tube Locks Swaging for Aluminum Tubing

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Square Telescoping Tubing

Square Tubing Snap Lock & Spring Button Square Telescopic Tubing with Spring Button (Only) Square Telescopic Tubing With Retaining Pin Square Telescopic Tubing with Knurled Screw Square Tubing Square Telescopic Tubing Snap Lock

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Telescoping Aluminum Tube Ends & Attachments

Solid Aluminum Threaded Bushings Rubber End Caps and Crutch Tips Plastic End Cap Closures Foam Handles and Grips Metal Leg Spikes Flattened Paddle End Plastic Phenolic Knobs Male and Female Aluminum Pucks Angle Cut End Tubing with Embedded Compression Spring Snap-On Plastic Flats Graphic Sign Channels VM Clamps Fabricated Steel U Channels Embedded Washer Aluminum Shaft Collar with Set Screw Swaging Spring Button Telescopic Tube Ends Threaded Connectors Rolling Casters Swivel Mechanisms and Swivel Joints Sign Holders and Graphic Holders Leveling Glides Screw Machine Fittings External Tube Thread Formed Wire Hook

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1" Square Corners, Connectors, Tubing and Accessories

1” Square Steel Tubing 1” Square Tubing L Corner 1” Square Tubing 3 Way Corner 1” Square T Connector 1” Square Tube Joiners Custom Steel Brackets Threaded Holes Welding 1” Square Aluminum Tubing Threaded Connectors Logo Printing Solid Aluminum Bushing Rolling Casters Sign Holders and Graphic Holders Leveling Glides Custom Powder Coated

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Telescoping Aluminum Tubing and Finishes

Exterior Knurling Tubing Round Telescopic Aluminum Tubing Non-Rotating Telescopic Aluminum Tubing Round Steel Telescopic Tubing Oval Aluminum Tubing Gold Aluminum Tubing, Gold Steel Tubing, & Brass Plated Parts Etched and Clear Anodized Aluminum Tubing Mill Finish Aluminum Tubing Black Matte Telescopic Tubing Logo Printing Custom Powder Coated

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Telescoping Aluminum Tube Fabrication & Joining

Die Cast L Corners Tube Expansion and Indenting Threaded Connector (low cost) Tube Notched Ends for Joining Tube Bending Tube Piercing Swaged aluminum tubing Spring Buttons Strengthened Plastic 3-Way Snap Corners Plastic 3-Way Snap Corners Assemblies Solid Aluminum Bushing 1" & 1-1/4" Plastic L and T Corners Welding Gas springs for telescopic tubes Hinge eye and custom fittings

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Bases, Mounts & Clamps

Square and Rectangular Steel Bases Round Steel Bases Laser Cut Custom Steel Bases Rolling Bases Custom Steel Clamp Bases Tubular Bases Formed and Welded Steel Bases Travel Bases Custom Tripod Bases Wall flanges and mounts Mounting Flanges Drop Ceiling Grid Mounts Magnetic Bases Clamps for Round Tubes

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Complete Telescopic Tubing Assemblies

Tube Join Outdoor Farm Antenna B-Lock Telescopic Poles Remote Medical Swabbing Device

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Wire Forming & Steel Wire Fabrication Bending Laser Cutting Swaged Tubing Automatic Screw Machining Drill or Punch Holes Tube Expansion Ring and Stop Line Tube Milling, Punching and Piercing Threading Tube Notching Round corners Logo Imprinting Riveting Welding Cut to Size Building Tools and Dies Miter Cutting

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Steel sheet

Round Telescoping Aluminum Tubing Locks

Square Telescoping Tubing

Telescoping Aluminum Tube Ends & Attachments

1" Square Corners, Connectors, Tubing and Accessories

Telescoping Aluminum Tubing and Finishes

Telescoping Aluminum Tube Fabrication & Joining

Bases, Mounts & Clamps

Complete Telescopic Tubing Assemblies

Machining

Sheet Metal

Split Collar Telescopic Tube Lock (B)

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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.
Features a spring-loaded mechanism and an easy-to-turn 2-finger plastic knob.
Available in 1/2" through 1 1/2" diameters.
Non-Rotational (NR) compatible 1/2"-1 3/8".
Available for purchase a la carte here