30104B/31104B is made from high-quality galvanized steel. With 1.0/1.4/1.8 mm thickness, the slide can support 35 kgs, making the slides suitable for a variety of applications. The under mounted design enhances the aesthetic appeal of the drawer. Push to open design can free your hands, just with a slight push, the drawer can be open. Quick release handles type, the drawer is easily to be disassembled and assembled. Additionally, with three types of handles to choose (1D, 2D, and 3D), you can flexibly select the option that best suits your specific requirements. The product has pasted 6000 times life cycle test and 48 hours salty spray test, which mean the product is not easy to deform and rust, ensuring a long service life and reliable functionality.