Based on this product's specifications, here are some alternatives and similar models
Hex Key (Allen Wrench) Dedra 13.0 mm CR-V Long
Summary description:
Long hex key (Allen wrench) Dedra 13.0 mm made from chrome-vanadium (CR-V) steel. Designed for driving hexagonal fasteners in automotive, mechanical and assembly work. The long arm provides extra reach and torque leverage for recessed or hard-to-reach bolts. Suitable for professional and DIY use where a durable, corrosion-resistant hex key is required.