Chrome plated brass telescopic hatch adjusters with positive locking nut.One end swivels and the other end pivots, allowing a variety of installation positions.Other Details: Part No. Description Length(mm) Tube Ø(mm) Mount Screws(mm) 36360 Adjustable Hatch Stay 250 - 440 9.5 & 12 5.5 c/s 36362 Adjustable Hatch Stay 300 - 500 10.5 & 15.5 5.5 c/s 4 c/s 36237 Adjustable Hatch Stay 310 - 540 9.5 & 12 5.5 c/s