Ratchet ring combination spanner set 10mm to 15mm, with Bi-Hex (12pt) ratchet ring. The 72-tooth ratchet mechanism means that just 5° of movement is required, allowing fasteners to be turned quicker and making them ideal for use in confined areas. They are manufactured from tough durable chrome vanadium steel with a with chrome plated finish and are supplied in a storage case that can be hung on the workshop wall or laid flat in a toolbox drawer. A British tool company based in Warwickshire, United Kingdom. Laser draws on years of experience to introduce quality products which offer real value for money. All our products are responsibly sourced both from trusted ethical partners across the world PLUS (uniquely as an automotive tool brand) our own manufacturing base in the UK.Combining our British manufacturing, our years of experience and vast expertise in the automotive sector helps us achieve our aim of bringing high quality tool solutions first to market and being No.1 choice for many professional mechanics.