Standard End Fastener Silver/Black Zinc-Plated Number of Mounting Holes 1 Overall Height 8 mm End Fastener Overall Length 20 mm Overall Width 8 mm Fastener Thread Length 25 mm Steel Fastener Thread Size M8 15 Series 40 Series System of Measurement Metric For Profile Width/Height 8 in Metric End Fastener For Profile Type Single For Slot Width 8 9/64 mm Package Quantity 4