🔹Insert directly into the shaft groove for quick and convenient installation and removal.
🔹Complete set of 120 pieces includes common sizes from 1.5 mm to 10 mm, meeting a wide range of needs.
🔹Made of heat-treated steel, strong and durable, resistant to deformation even after repeated installation and removal.
🔹The box has dividers and size labels for easy identification, neat storage, and to prevent loss.