ACU-TECH™ Long Spigot Test End Cap PE100 PN16 SDR11 w/1 ½" BSP Thread MI With 40mm (1 ½") BSP thread size MI Range of Sizes Available.315mm Pressure Rating:SDR11 ( Products 3284-) ACU-TECH™ Long Spigot Test End Cap PE100 PN16 SDR11 w/1 ½" BSP Thread MISizeSelectPressure RatingPN16 - SDR11Thread Size1 ½" ( 40mm )