Facom T-Handle Metric Hex Key Set (5pc)(TC series)....for allen/hex screws. Silicon chrome vanadium finish. The 84TC 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....3mm, 4mm, 5mm, 6mm and 8mm. Made in Italy....same as the USAG 280T series (USAG is part of the Facom Group). Note- opt of the USAG 84TC.JE7....cheaper price plus this set also includes the 2mm and 2.5mm sizes.