Our professional drill socket adapter is made of steel, with reasonable design, strong practicability, strong durability. These drill socket adapters has different size, with good working performance can help you improve work efficiency and better meet your replacement needs. Features -Color:Grey -Material:Steel -Size:7.30X1.20X1.20cm/2.87X0.47X0.47in -Size:6.50X0.90X0.90cm/2.55X0.35X0.35in -Size:6.50X0.50X0.50cm/2.55X0.20X0.20in - Specification: 1/4 in, 3/8 in, 1/2 Inch - Preferred steel materials, drill socket adapter is durable and practical, suitable for a long time of use. - Drill socket adapters, Great for automotive mechanic, vehicle repairs, the DIY, household maintenance, and most general repairs. - The professional and practical drill socket adapter can easily replace, easy for installation and use. - Steel socket adapter set with excellent high hardness properties, meet industrial or mechanical use. - The adapter can meet your connection requirements make your drilling work easier. Package list: 6 x Socket Adapters (1/4 in, 3/8 in, 1/2 in)