DescriptionThese corner bracket cube are widely used in 3D printers, CNC routers and other machine. Designed to connecting aluminum profiles frame, made of premium and durable material, not easy to rust and deform. With creative cube shape, increase the stability for aluminum profiles frame, easy to use and with enough quantities to use.Features-Color: Black.-Material: Zinc alloy. -Size: About 2.00X2.00X2.00cm/ 0.79X0.79X0.79inch.-Can be used for industrial aluminum frame structures, 3D printers, CNC routers, CNC lasers cutters and more. -Fit for most of 2020 series aluminum extrusion profile, not easy to rust and deform. -Create connections between aluminum profiles in almost any configuration. -Product installation is simple and convenient, with a wide range of applications. -Made of high-quality and environmental-friendly material, durable and practical.