General description These 160Pcs Series T Slot Interior L Inside Corner Connector Joint Brackets are designed for use with 2020 series 6mm aluminum extrusion profiles. Made from durable aluminum, these connectors are perfect for various DIY projects and metalworking applications. Technical specifications Model: 20 series Material: Aluminum Color: Silver Size: 25 x 26 x 4.5 x 9.5 mm Package Contents: 160 x L-shaped joints, 320 x screws Measurement allowed error: +/- 1-3 cm