General description 120Pcs Series T Slot Interior L Inside Corner Connector Joint Bracket is designed for use with 2020 series 6mm aluminum extrusion profiles. These connectors are perfect for DIY projects and metalworking applications, providing a sturdy and reliable joint for your aluminum profiles. Technical specifications Model: 20 series Material: Aluminum Color: Silver Size: 25 x 26 x 4.5 x 9.5 mm Package Contents: 120 x L-shaped joints, 240 x screws Measurement allowed error: +/- 1-3 cm