PULLBOX® Retail Display Security Tether

The PULLBOX® security tether is ideal for retail store display product positioning, as a product sample theft deterrent, as a counterbalance or as a wire harness positioner. Using Vulcan Spring’s Contorque® spring technology, the PULLBOX® provides consistent, reliable tension at a variety of forces, with many versatile end fittings available. It is offered with a maximum five foot cable and up to two pounds of force.

Custom PULLBOX® designs can be quickly and cost-effectively manufactured to create the ideal security tether solution. There are many options for the cable, end fitting and box, and the PULLBOX® Alarm option is also available.

How to Work with Vulcan Spring for PULLBOXES®

Vulcan Spring works with customers at various stages of their product development process, from prototype to production. Customers rely on the expertise and experience of Vulcan Spring’s engineers. With many different PULLBOX® design possibilities for any given application, it’s best to consult with a Vulcan Spring engineer early in the design phase for best results.

The design and engineering process includes:

  • Initial Design Review
  • Prototyping
  • Testing
  • Production - Short run or long run production


Pullbox® Dimensions

Pullbox Dimensions


Inches Millimeters
A 2.760 70.10
B 1.762 44.75
C 0.825 20.96
D 2.375 60.33
E 1.375 34.93
F Four 0.156
 Ø holes
Four 3.96
 Ø holes


Pullbox Dimensions

Technical Considerations for PULLBOXES®

Pull Force Options:  The PULLBOX® can utilize the following pull forces:  

Pounds 0.125, 0.25, 0.50, 0.75, 1.00, 1.50, 2.00
Newtons 0.56, 1.11, 2.22, 3.34, 4.44, 6.67, 8.90

Some combinations of pull force and cable types are not compatible.

Cable Extensions: The PULLBOX® can support extensions from 12” (30.5 cm) to 60” (152.4 cm).  The very heavy cable option is only valid to 48” (122 cm)

Cable Types: 


Stainless Steel cable, Clear or Black Nylon coated to .034” (0.86 mm) diameter


Stainless Steel cable, Clear or Black Nylon coated to .045” (1.14 mm) diameter

Very Heavy

Stainless Steel cable, Clear or Black Nylon coated to .062” (1.57 mm) diameter

Thicker cable options are available upon request.


End Fittings:

There are three basic ways to attach the cable to a product.  Double-sided tape, fastener, or loop.  We are always looking to add to our end fitting list.  If you require something that is not shown please ask.

 View End Fittings

Cable Exit Location:

The PULLBOX® has 4 cable exit location possibilities.  We provide these because the best performance and life are achieved when the cable is extended straight out of the box.  The exit locations are shown below:

Pullbox Cable Exit Locations

Box Color:

The PULLBOX® can be black or white.  Custom colors are available with large volume quantities.

Box Tape:

Tape can be applied to the PULLBOX® in different locations. 

Applications / Uses for the PULLBOX® Security Tether

Applications for the PULLBOX® can mostly be found in Point-of-Purchase (POP) Displays  as a retail security tether and product positioning.  PULLBOXES® are also used for equipment counterbalancing, wire harness positioning, product or parts feeding and signage support.