The 10mm Sealey Ratchet Combination Spanner is arguably the most essential size in any toolkit, as 10mm fasteners are ubiquitous across automotive, mechanical, and assembly applications. This workhorse spanner combines robust construction with refined engineering for daily professional use. Featuring the advanced WallDrive® 72-tooth ratchet ring, this spanner requires only 5° of rotation to engage the next tooth, making it invaluable for engine bays, machinery housings, and other restricted access situations. The Chrome Vanadium steel construction ensures this frequently-used tool will withstand years of demanding service. Features and Benefits:10mm size - the most commonly used spanner size72-tooth ratchet with just 5° engagement requirementWallDrive® ratchet ring for superior torque transferChrome Vanadium steel durabilityLifetime guarantee Specifications: Brand: Premier Length: 165mm Nett Weight: 0.08kg Set Model No(s): AK63907 - 7pc Set (includes 8-19mm), AK63912 -