That’s a TENGTOOLS Long Reach Torx + Hex Bit Socket Set
What it’s used for:
Removing/tightening bolts/screws that are recessed deep or hard to reach. The "long reach" shaft lets you get past panels, into engine bays, machinery, etc. where regular bits are too short.
What’s in the set:
1. Torx bits: T20, T25, T27, T30, T40, T45, T50, T60. Marked as "T-20" etc. The star-shaped tip. Used on cars, bikes, electronics, machinery
2. Hex/Allen bits: 5mm, 6mm, 7mm, 8mm, 10mm, 12mm. Marked as "HEX 10" etc. For hex socket bolts
3. Drive size: 3/8" drive on the socket end. Fits 3/8" ratchet, breaker bar, or torque wrench
4. Brand: TENGTOOLS - Cr-V = Chrome Vanadium steel, so it’s tough