GRAY TOOLS 68404XL - CLÉS HEXAGONALES MÉTRIQUES - TRÈS LONGUE - 4 MM

Size: 4mm Made of premium S2 tool steel for superior durability and corrosion resistance. Deliver up to 33% more torque than ordinary hex keys. Keys 1/8" & 3mm and larger have size permanently laser marked on the key. Extra-long length offers greater access to hard to reach fasteners. Overall Dimensions: 5.8'' L x 1.25'' W x 0.2'' H Weight: 0.04 lb.