General description These 20Pcs T Slot L-Shape Interior Inside Corner Connector Joint Brackets are designed for use with 20 series 6mm groove European standard aluminum profiles. Made from durable aluminum, these connectors provide a reliable solution for joining aluminum extrusions at right angles. Technical specifications Model: 20 series Material: Aluminum Color: Silver Size: 25 x 26 x 4.5 x 9.5 mm Measurement allowed error: +/- 1-3 cm Package Contents 20 x L joints 40 x screws Other information