Melco Box Spanner Whitworth 3/16" x 1/4"

About this tool

The 3/16" x 1/4" Whitworth box spanner is ideal for delicate work on small fixings found in precision instruments, small engines, and fine mechanical assemblies. At 100mm (4 inches) long, this compact spanner offers excellent control and manoeuvrability whilst still providing the reach advantages of a tubular design. These smaller Whitworth sizes are frequently encountered in vintage clockwork mechanisms, small carburettors, and precision engineering equipment. The double-ended configuration means you have both sizes readily available without switching tools. Features and Benefits: • 3/16" x 1/4" Whitworth sizing for small, precise fixings • 100mm (4 inch) length provides excellent control • Perfect for delicate mechanical work and small engines • Bright plated steel ensures durability despite compact size • Accommodates tommy bar when additional torque required • Double-ended design offers two sizes in one compact tool • Essential for instrument repair and precision engineering Specifications: Box Type: Whitworth Box Spanner Size 1 (in): 3/16 Size 2 (in): 1/4 Length (mm): 100 Tommy Bar: T35

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.