Tricky fasteners are no match for this L-shaped hex key from Wera. This nifty tool has a long and short arm, giving you flexibility when tightening or loosening your 4mm hexagonal socket screws. The key's stainless steel construction ensures it's resistant to impact and corrosion, so it stays in top-notch condition in harsh industrial environments.

• Ball end lets you tackle screws from any angle
• Tip size is printed on the side for identification at a glance

• DIY tasks
• Electrical engineering
• Furniture building
• Machine servicing

This tool has a Hex-Plus profile, which means it's designed to make good contact with the screw head. This improves your grip when you're tightening and loosening fasteners and minimises the risk of damage to screw heads.