They have a black oxide finish and come in a metal stand container.
The tips are made of chrome vanadium molybdenum steel and feature a black oxide finish. Their T-shaped handles provide better grip, especially in wet conditions. 8 Piece SAE T-Shape Hex Key Set, 33499 This ball end hex key set comes with sizes ranging from 1/8" to 3/8".This ball end hex key set from WIHA Tools contains 8 pieces of T-shaped hex keys that are made of chrome vanadium molybdenum steel.