Hexagon head (square drive): 1/4"

which is the measured size stated in the manufacturer's product text

The box is made of polypropylene (PP) and is equipped with a sliding lock

This is directly derived from the manufacturer's product text

round blade is practical

T-nøgle, unbrako 8x150mm ER930300 Hexagon head (square drive): 1/4"L key with T handle The Wiha 00929 is an L key with a T handle designed for internal hexagon connections. The product is identified on the manufacturer's website as variant 00929 with an internal hexagon size of 8. 0 mm and a T handle blade length of 150 mm. Details The manufacturer's description specifies materials, dimensions, and construction without additional claims regarding application beyond its mechanical purpose. Relevant technical points