The mount it's and sturdy. All slot hole for high precision punch a punching processing, perfect fit for straight connection between two profiles. for many hobby and applications. Wear resistant and firm, and . Features - Color: Silver. - Material: Zinc alloy. - Size: 5.50 x 5.50 x 3.00cm/ 2.16 x 2.16 x 1.18 inch. - Convenient to connect aluminum profiles straight connection between two profiles. - Suitable for connecting at the specified angles, 6mm T-slot framing profiles of 20 metric series. - When it is installed, it is inserted into of the butt of two profiles, and then tightened with set screws. - The fitness of the connector depends from the shape and wall thickness of the aluminum profile. - When installed, it is inserted into of the butt of two profiles, if tight, you can use a plastic hammer to fit it. Package list: 4 x connectors 8 x screws