14 Pcs E-type socket setInclude:5 Pcs 1/4" socket: E4-5-6-7-8mm5 Pcs 3/8" socket: E10-11-12-14-16mm4 Pcs 1/2" socket: E18-20-22-24mmMaterial: Cr-VHeat treatedChromed platedPacked by BMC