The Ko-ken RS3300XZ/8 is an 8-piece 3/8" square drive Z-Series semi-deep chrome socket set with 6-point openings. The set includes sizes ranging from 8mm to 19mm, specifically 8, 10, 11, 12, 13, 14, 17, and 19mm. Each socket is mounted on a 200mm rail for organized storage and easy accessibility. This set combines durability with precise fitment, ideal for a wide range of mechanical and maintenance tasks.