Your cart is empty 0 items Go to basket
Customer Support Login
01428 685902 Tracklink

Dropper Key for Cam Type Locking MK3B 0039/040078

Ref: 0039/040078

£30.24 excl. VAT £36.29 inc. VAT
Contact us
Refer this page
Only UK orders accepted

Dropper Key 0039/040078 for Cam Type MK3B Locking Droppers

The 0039/040078 Dropper Key is a precision tool used for the installation of cam-type locking MK3B droppers. Specifically designed for Overhead Line Equipment, it is designed to rotate the locking cam on the dropper clip, reliably securing the clip onto the contact wire.

Additionally, the dropper key features an integrated dropper keyhole that allows the operator to form the hook end on the steel dropper wire, ensuring secure and accurate installation.

Contact us for more information about the 0039/040078 Dropper Key or other gauge and railway products, please call 01428 685902 or email [email protected].

Our
Accreditations

Our
News

01 May 2026

Ti21 EBI Digital Frequency Selective Meter, catalogue No. URLT/011362.
read more

17 March 2026

Tracklink once again invest in more Calibration equipment. The new equipment will allow Tracklink to cover a broader range of instruments and it gives us better uncertainties which allows us to provide you, the customer, a wider band of results.
read more

03 March 2026

Fluke is a highly regarded brand in the professional world and for good reason. Whether you’re looking for Multimeters, Clamp Meters or Insulation Testers, Fluke is guaranteed to have a product that’s a perfect fit for your business’ needs.
read more

04 September 2025

Tracklink are proud to announce the award of a 12 month Supply contract to the Railway Industry. This encompasses the Supply of Test Instruments, Calibration and Hand Tools together with Rail Specific equipment.
read more

03 April 2017

In this post we’ve given you an indepth look at the exclusive new Fluke thermal multimeter (Fluke 279 FC and Fluke 279 FC/iFlex TRMS)
read more

03 May 2016

Our latest brand highlights post features Amprobe, one of the world’s leading manufacturers of electrical test tools. Read more here.
read more

26 April 2016

In this post Tracklink shares insights on Multi Function Testers (MFTs) – with some tips on the best products and what to look out for before you buy a Multi Function Tester.
read more

04 April 2016

In our second brand insights post, we have highlighted some of the best insulation testing tools by world-renowned manufacturer Megger. We’ve also given you some insight into Megger best selling products with tips from our expert technicians. Read more here
read more

24 March 2016

Insulation testers are vital to maintaining high standards of testing and maintenance. In this post Tracklink will give you an insight into the top considerations before you purchase your next insulation resistance tester. We’ll also share some top tips a
read more

25 February 2016

As one of the leading suppliers of Thermal Imagers in the UK, Tracklink prides itself on sharing its knowledge to make sure you get the best quality products that are suited to your needs. In this helpful article, we have shared some of our expertise
read more