Hex Key Metric Ergo "T" B E 6mm Facom 84TZSA.6 4024540 with its patented ISL_M340144 C with its patented Bench mounted safety cage designed for use with 083900 Coil Spring Compressor Roll back screen mechanism provides easy access for location of coil spring compressor and coil spring Positive locking latch mechanism holds screen securely in place The screen covers the working area of the compressor when in operation Unit does not restrict vision while working on coil spring or strut assembly Robust design provides protection against personal injury should the spring break Facom Hex Key Met Ergo "T" Ball End 6mm 84TZS