Sensor Mounting Brackets: Bracket Type - Absolute Optical; Shape/Configuration - Block; Bracket Mounting - 2 x 8/32'' Threaded Hole; Sensor Mounting - 3/4" Dia. Hole; Material - Aluminum; Dimensions - 1.00x1.63"x0.50"(25.4x41.3x12.7mm); Bracket Adjustment Max - 1.00" (25.4mm); Manufacturer Series - PSAC