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The 1 star and 3 star ratings were introduced in 2015 so it’s likely that you’ve already heard plenty about them. The purpose of this guide is to help understand the requirements of each standard and what the ratings mean.

VERSA products are designed to allow you to confidently complete repairs in one visit. Our products are retrofit solutions that provide a number of options to save you time and help you complete the job fast.

We provide a range of versatile Friction Stays that can be adjusted to the job's requirements, meaning you can cut costs and reduce your stock holding.

In this guide, we’ll look at how to adapt a set of handles with a long backplate to suit a GU Ferco multipoint door lock.

All of our GU Ferco multipoint door locks can be found here

In this guide, we’ll look at the various different types of electric release and give you some tips to help ensure that you can identify the correct product.

All of our electric releases can be found here

To make sure you can plan your schedule over the festive season, we have prepared our opening dates...

This is a guide to help you identify a replacement gearbox for your Maco multipoint door lock. The Maco MK1 and Maco MK2 series of replacement gearbox are now discontinued, follow this guide to identify which of the newer series you should use as a replacement.

The original Fullex lock gearboxes were made of a heavy-duty cast metal 20mm thick case in either a yellow passivated or grey finish and would have originally been attached to a faceplate of varying widths up to 24mm.

Each model although generic in size had multiple variations usually centred around the fixing lugs and anti-slam mushroom, for example, Case ‘B’ had 47 different variants.

Cego multipoint door locks are commonly known as Zenith, Bowater or Staybrite locks. The Cego multipoint door locks are now discontinued and are no longer available through Duffells but are still commonly found in doors today. Below we have a guide to the replacement gearboxes, a guide on how to change the hook boxes, and a guide on how to reverse the latch of the centre gearbox.

Yale Gearboxes have been made in numerous different styles and this guide will help you identify the correct version.

Yale incorporates the Paddock and Lockmaster brands and has made bespoke locks for a huge number of customers including Mila and Safeware.

Mila is among the most common UPVC locks with some variations being stamped Coldseal or Swiftframe. Some of the full-length versions are still available however the popular 3 part versions have been discontinued. For this reason, the use of a replacement gearbox may be required.