Key specifications - Thread Size: M14 - Thread Length: 19 mm - Spanner Width: 21 mm - Total Length: 81 mm Why this helps - Designed for M14 threaded fasteners, ensuring proper engagement with standard nuts and bolts - 21 mm spanner width fits common 21 mm wrenches for reliable turning - 81 mm total length provides reach in tight spaces while preserving leverage - 19 mm thread length offers adequate engagement for typical M14 applications What makes it suitable - Clear compatibility with standard M14 hardware - Straightforward operation with a standard 21 mm wrench - Compact profile that fits into restricted areas without sacrificing control Usage scenarios - Automotive maintenance and repair: remove or install M14 bolts in engine bays or mounting brackets where space is limited - Industrial equipment assembly: secure panels or housings that use M14 threaded fasteners in constrained work areas - Workshop servicing of machinery: replace or tighten M14 bolts inside enclosures or on frame assemblies where longer tools cannot reach Notes - All specifications refer to the stated thread size, lengths, and tool interface - Designed for use with standard M14 hardware and a 21 mm spanner