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A welder wearing a flame-themed protective helmet and red welding gloves working at a metal bench. Bright sparks are visible as the person welds a metal piece secured in a vise, with tools and machinery surrounding the workspace in a workshop setting.

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Close-up of hands using a metal file to smooth the edge of a small metal bracket held in a bench vise, with various tools blurred in the background.

Close-up of hands using a metal file to smooth the edge of a small metal bracket held in a bench vise, with various tools blurred in the background.

Martyn’s Law and Panic Hardware: Why Real‑World Installation Still Matters

Feb 23 min read

A brick building with blue-framed windows and doors, featuring a sign that reads “H. Harrold & Sons Ltd Locksmiths and Safe Engineers Established 1919.” The storefront is decorated with a garland of red and green ornaments. On the roof, there is a cartoon Santa Claus peeking over the edge. In the sky to the right, there is a silhouette of Santa’s sleigh being pulled by four reindeer. On the sidewalk in front of the building, there is a decorated Christmas tree with ornaments, a star on top, and several wrapped presents at its base. A leafless tree stands to the left of the building, and a street with a bike lane runs along the foreground.

A brick building with blue-framed windows and doors, featuring a sign that reads “H. Harrold & Sons Ltd Locksmiths and Safe Engineers Established 1919.” The storefront is decorated with a garland of red and green ornaments. On the roof, there is a cartoon Santa Claus peeking over the edge. In the sky to the right, there is a silhouette of Santa’s sleigh being pulled by four reindeer. On the sidewalk in front of the building, there is a decorated Christmas tree with ornaments, a star on top, and several wrapped presents at its base. A leafless tree stands to the left of the building, and a street with a bike lane runs along the foreground.

Going Away for Christmas? Top Tips to Keep Your Home Safe

Dec 22, 20253 min read

Close-up view of multiple brass lock components arranged in rows on a dark textured tray. The parts include cylindrical pieces with gear-like edges and rectangular lock bodies with keyholes, indicating they are in the process of assembly or manufacturing.

Close-up view of multiple brass lock components arranged in rows on a dark textured tray. The parts include cylindrical pieces with gear-like edges and rectangular lock bodies with keyholes, indicating they are in the process of assembly or manufacturing.

How Things Work: Master Key Systems

Dec 1, 20252 min read

Hands use calipers to measure a metal lock part, reading 0.648 on a digital display. Workbench with tools and papers in background.

Hands use calipers to measure a metal lock part, reading 0.648 on a digital display. Workbench with tools and papers in background.

How to Spot a Rogue Locksmith

Oct 16, 20254 min read

The Role of a Locksmith: How We Do What We Do

The Role of a Locksmith: How We Do What We Do

The Role of a Locksmith: How We Do What We Do

Sep 9, 20255 min read

Keeping Sheffield Safe Since 1919

Keeping Sheffield Safe Since 1919

Keeping Sheffield Safe Since 1919

Jul 15, 20252 min read

Meet Our New Directors

May 30, 20254 min read

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