USAG T-Handle Metric Hex Key Set with Spherical Tips (6pc)(280TTS/SE6)....for allen/hex screws. Silicon chrome vanadium finish. The 280TTS series features a chrome plated finish with burnished tips (up to size 8mm) to ensure precise measurement and perfect fit with the fastener. All 3 ends with hex drive. Sizes in this kit include....2.5mm, 3mm, 4mm, 5mm, 6mm, and 8mm. Made in Italy. Spherical tip at the long end of the shaft is for extended reach and gives a working angle of up to 30 degrees.

See video for an overview of the 280T, 280TTS and 280TK series .