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.
Compare 3 prices for Sealey AK3857 Interchangeable Jaw Ratchet Crimping Tool — from £62.00
to £63.95 across 3 UK sellers including
Whiterose Tools, Tooled Up, My Tool Shed.
Save up to £1.95 (3%).
The Sealey AK3857 is a professional ratchet crimping tool designed for creating reliable electrical connections with both insulated and non-insulated terminals. Featuring interchangeable hardened and tempered jaws, this crimper offers versatility across a wide range of terminal sizes, making it an essential tool for electricians, automotive technicians and electrical contractors working with various cable specifications. Built with all-steel construction for long-term durability, the AK3857 incorporates large soft grip handles that reduce hand fatigue during extended use. The ratchet mechanism ensures consistent, uniform crimping pressure on every connection, eliminating the risk of under-crimped or damaged terminals that can lead to poor electrical contact or connection failure. The quick-change jaw system allows rapid switching between different terminal sizes without the need for separate tools. This crimper accommodates insulated terminals from 0.5-1mm² through to 4-6mm², and non-insulated terminals in 1.5, 2.5, 6 and 10mm² sizes. At 220mm in length, the tool provides excellent leverage whilst remaining compact enough for work in confined spaces such as control panels and junction boxes. Features and Benefits: • All-steel construction with lifetime guarantee for long-term reliability • Interchangeable hardened jaws suit both insulated and non-insulated terminals • Ratchet action mechanism ensures consistent crimping pressure every time • Large soft grip handles reduce hand fatigue during extended use • Quick-change jaw system for efficient switching between terminal sizes Specifications: Brand: Sealey Length: 220mm Nett Weight: 0.54kg Terminal Suitability: Insulated; 0.5-1mm², 1.5-2.5mm², 4-6mm², Non-Insulated; 1.5, 2.5, 6, 10mm²