Did you know? Andreas Stihl patented the first electric chainsaw in 1926 and the first petrol chainsaw in 1929 — earning the title Father of the Chainsaw.
Did you know? Johan Petter Johansson invented the modern adjustable wrench (spanner) in 1892 while working at Bahco — the tool used by every tradesperson today.
Did you know? A British company that manufactures router cutters, saw blades, and the famous AirShield Pro — one of the first powered respirators for woodworkers.
Did you know? Invented the first portable circular saw in 1927 and pioneered the dust extraction system that is now standard in professional workshops.
Did you know? Started by making carbon-filament lamps. The Philips head screw was NOT invented by Philips — it was invented by Henry F. Phillips, a completely different person.
Did you know? One of the oldest British chemical manufacturers, originally producing turpentine substitute. Their wood preservers have protected UK homes for over 145 years.
Did you know? The name comes from "Cuprum" (Latin for copper) and "Naphthol" — copper naphthenate was the original wood preservative formula invented in 1911.
Did you know? British General (BG) has been the UK's go-to brand for electrical accessories since WWII. Their white moulded sockets are installed in millions of British homes.
Did you know? Originally a mail-order screws company called "Woodscrew Supply Company". Now the UK's largest multi-channel trade supplier with 870+ stores and same-day Click & Collect.
Did you know? Owned by Travis Perkins Group, Toolstation grew from a single store to 580+ branches in just 20 years — opening a new store almost every week.
Did you know? ITS (Industrial Tool Supplies) is one of the UK's largest independent tool retailers, known for competitive pricing and fast delivery across their 30+ trade counters.
Did you know? Named after founders Richard Block and David Quayle. B&Q opened the UK's first warehouse-style DIY store in 1980, changing how Britons shop for home improvement.
Did you know? A fast-growing online-only tool retailer specialising in premium brands like Milwaukee, Makita, and DeWalt with competitive pricing and expert product knowledge.
Did you know? Started as a small family business, Power Tool Mate has become one of the UK's most trusted online power tool specialists with over 100,000 satisfied customers.
Did you know? Tools4Trade is known for their detailed product videos and expert reviews, helping tradespeople make informed buying decisions before purchasing.
Did you know? Famous for their massive 25,000 sq ft flagship store in Devon — a destination for woodworkers worldwide. They manufacture their own brand of lathes and machinery.
Did you know? SGS specialises in air compressors, generators, and workshop equipment. They design and manufacture many products under their own brand name.
Did you know? Toolden has rapidly grown into a go-to online store for tradespeople, known for their clean website design, fast shipping, and excellent customer service.
Did you know? City Electrical Factors (CEF) is the UK's largest electrical wholesaler with over 450 trade counters. They hold £150M+ of stock for same-day availability.
Did you know? One of the oldest companies in the UK, Travis Perkins traces its origins to 1797. The group also owns Toolstation, Wickes, and several other major trade brands.
Did you know? Power Tool World is a family-run business that has grown into one of the North East's largest power tool retailers with a massive online catalogue.
The Draper ETRT 12v/24v Automotive Relay Tester is a diagnostic tool designed for testing 4-pin and 5-pin automotive relays in both 12V and 24V vehicle systems. This relay tester enables mechanics and auto electricians to quickly identify faulty relays, helping to diagnose electrical problems efficiently in workshops or mobile service environments. The unit features an easy-to-read LED indicator display that provides clear visual feedback during testing, allowing users to distinguish between functioning and defective relays at a glance. Powered directly from the vehicle battery, the tester requires no separate power source, making it convenient for roadside diagnostics and workshop use. The 1,500mm positive and negative leads provide ample reach for testing relays in various locations within the engine bay. An included adaptor extends the tester's capability to larger 5-pin relay configurations, ensuring compatibility with a wide range of automotive relays found in cars, vans, and light commercial vehicles. The compact dimensions of 140 x 90 x 35mm and lightweight 296g construction make this relay tester a practical addition to any automotive toolkit. Features and Benefits: • LED indicators for clear pass/fail diagnostics • Tests both 4-pin and 5-pin automotive relays • Compatible with 12V and 24V vehicle systems • Powered directly from vehicle battery for convenience • Includes relay adaptor for larger relay configurations • 1,500mm lead length provides excellent reach Specifications: Power supply: 12V or 24V vehicle battery Relay configuration: 4-pin and 5-pin Positive/negative lead length: 1,500mm Adaptor relay configuration: 5-pin Adaptor relay lead length: 160mm Dimensions: 140 x 90 x 35mm Weight: 296g Contents: 1 x 12V/24V Relay Tester