13pc 1/4" & 3/8" Drive External Torx Nano Impact Socket Set Low profile E-Torx impact sockets in 1/4 drive E4-E8 and 3/8 drive E10-E24. All sockets feature an outside hex for extreme low-profile access from the side with a wrench. Forged CRO-MO, lifetime warranty 78313 WARNING: This product can expose you to chemicals including Gasoline engine exhaust (condensates/extracts) which is known to the State of California to cause Cancer and Ethylene glycol (ingested)which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Gasoline engine exhaust (condensates/extracts)