Bead cage (or bead spring) measuring 7.5 x 4 mm with a spiral center for 1.6 mm diameter thread. To insert the bead inside the cage, simply open the cage with pliers, insert the bead and then close the cage again. The cage is ideal for beads with a diameter of 2-3 mm. The cages are made of stainless steel type 201.
The stainless (surgical) steel alloy from which the components are made is referred to as SAE 201. In addition to iron, as the main component, it usually contains around 16-18 % chromium and 5.5-7.5 % manganese and 3.5-5.5 % nickel. It is a type of stainless steel, which is commonly used, for example, as a part of steel inserts in kitchen utensils, as a basis for steel car frames (doors, roofs) and can also be found in insulating windows
Due to the color setting of the monitor, the color of the goods may differ slightly from reality.