This Yato long hex key set includes 9 colour‑coded keys from 1.5 mm to 10 mm for precise work on hex socket screws in mechanical, automotive and assembly tasks. Made from high‑quality S2 steel with a satin, plastic‑coated finish, the keys offer high strength, resilience and long service life, while the practical hanger keeps them organised and easy to access.
Type: Long hex key set
Tip type: Hexagonal
Size: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm
Length: 78.5, 83, 90.5, 99, 110, 122, 138, 152, 166 mm
Width: 14.5, 16, 17.5, 21, 23, 27, 30, 33, 38 mm
Material: S2 steel
Surface finish: Satin, plastic‑coated
Hardness: 58–62 HRC
Ball end: No
Pcs: 9
Symbol: YT-05631
Application: Professional long hex key set for mechanical, automotive, assembly and service work, where durable, colour‑coded keys provide quick size identification and reliable engagement with hex socket screws