Item Type: Star Socket Material: Chrome Vanadium Steel Specification: 5 x 1/4in Female Thread Star Socket (E4, E5, E6, E7, E8) 6 x 3/8in Female Thread Star Socket (E10, E12, E14, E16, E18, E20) 5 x 3/8in Male Star Socket (T10, T15, T20, T25, T27) 5 x 1/2in Male Star Socket (T30, T40, T45, T50, T55) 7 x 1/4in Male Thread Star Socket (T8, T10, T15, T20, T25, T27, T30) 1 x 3/8in Drill Bit Collet129PCS IN 1 SET: Comes with 29pcs socket tools in various sizes, and the clear classification simplifies the selection and using. 2GOOD WORKMANSHIP: Through quenching, tempering and full polishing treatments, the knurled socket is simple to install. 3WIDE USE: Allows for flexible application in different fields, including automotive maintenance and repair, manufacturing, etc. 4PREMIUM MATERIAL: Forged with great chrome vanadium steel, has high strength, and also very durable for long term use. 5PLASTIC BOX: There is a strong plastic box, which can store all the accessories in an orderly for mroe convenient daily carrying. 11 x Female Thread Star Socket 10 x Male Star Socket 7 x Male Thread Star Socket 1 x Drill Bit Collet 1 x Plastic Box