This is the topeak t handle duohex set when it comes to tools you need durability and comfort topeak have produced these 6 professional quality chrome vanadium steel hex wrenches each has one ball end for difficult to reach and blind locations ergo padded handle for increased grip and comfort while handling chrome vanadium is also used for large breaker bars so you know these are tough hex wrenches ergo padded handle for increased grip and comfort while handling you can finally stop st