This is a new Snap On 210eftamy 10 pc hex socket set factory sealed. 2-3mm in 1/4” drive 4-10mm in 3/8 drive 1/4,3/8 drive. Tmam3e 1/4” drive 3mm hex socket. Tmam2e 1/4” drive 2mm hex socket. Tmam2.5e 1/4” drive 2.5mm hex socket.