8PCS; 1/4"; 6PT; DEEP SOCKETS; MATERIAL: CRV 50BV30; 2TONE WITH LATHE KNURLING; LENGTH: 50MM; AS-DRIVE; DIN3121; SIZES:YT-1416 - 5.5MM/ YT- 1417 - 6MM/ YT-1418 - 7MM/ YT-1419 - 8MM / YT-1420 - 9MM / YT-1421 - 10MM/ YT-1423 - 12MM/ YT-1424 - 13MM