Package includes 10 pcs corner connectors 30 x 30/40 x 40, 20 pcs screws M6/M8, 20 pcs washers, 20 pcs T-slide nuts M6/M8. Mounting material angle wall bracket mounting material for 3030/4040 aluminium profile. Corner mounting brackets are made of aluminum, they are durable and versatile, a perfect fastener for your furniture. These corner brackets have 2 oval mounting holes. The angle mount improves the support of the point that connects the contour, and can be used as a moving profile. Convenient installation, you can easily attach the connectors with screws and nuts. Aluminium profiles, column profiles, connection technology and accessories, perfect for connecting aluminium profiles. Most used for building industrial aluminium frame structures. .