Teng Ball Point Hex Key 17mm US853529M Line visibility range up to Size:18V Line visibility range up to 35 meters and is detectable up to 70 meters with optional Laser Receiver (LE00855702) Lightest weight cordless compressor in its class at up to 2 Ball point end on the long key end giving access at angles of up to 25 degrees Ideal for use in confined spaces Regular hex end on the short arm giving the ability to apply higher torque Manufactured in chrome vanadium steel with a black phosphate finish Individually marked for size for easier identification Length: 63 x 250 mm Material: Cr V Measuring system: Metric