Item Type: 4-Hole Vertical Connecting Plate Material: Aluminum Color: Silver Model: slot board Surface Treatment: Overall anodized Purpose: Used for linear extension connection/overlapping connection between profiles SpecificationLength( approx. )Width( approx. )Hole Distance( approx. )Thickness( approx. ) 204038mm / 1.5in38mm / 1.5in20mm / 0.8in4mm / 0.2in 606060mm / 2.4in60mm / 2.4in30mm / 1.2in4mm / 0.2in 808080mm / 3.1in80mm / 3.1in40mm / 1.6in6mm / 0.2in1Used for linear extension connection/overlapping connection between profiles. 2Made of selected aluminum, it has the characteristics of heat resistance, corrosion resistance, durability and high strength. 3With professional design, it can be quickly connected and more convenient to use. 4There are 5pcs palte, can meet your use and replacement needs, very practically. 5Small size, easy to carry and store, convenient to use and with good performance. 5 x Connecting Plate