3/4" Track x 4' 40-34

Track Size 3/4" x 1/8" (19 mm x 3 mm), Track Type: Black, Length 4' (1.2m), Fastener Size #10 FH (5mm), Fastener Spacing 3" (76 mm), Stop Pin. Dia. 3/16" (5 mm), Weight Foot 2.9 oz. (84 g), Works with these End Stops 74-34