Klein hex-keys are the tools professionals cannot afford to be without. Heat-treated and tempered for superior strength and durability, Klein hex-keys are designed for a precise fit in sockets, preventing slippage and stripping of the socket.

• Allows easy access, even in restricted or hard-to-reach areas
• Long side for accessing hard-to-reach places
• Short side for higher torque situations and low clearances
• Ball end works on angles up to 25-degrees

• Hex Size: 4 mm
• Short Arm Length: 1'' (25.4 mm)
• Long Arm Length: 4.5'' (114.3 mm)
• Weight: 0.48 oz (13.6 g)
• UPC: 092644330193

(1) Klein BLM4 L-Style Ball-End Hex Key 4 mm