Monument 2052R Universal Radiator & Valve Key MON2052

Both ends are tapered and therefore self restricting.
The three profiles make the tool universal, catering for 3/8in and 10mm square section radiator vent plugs and bleed screws.
Bayonet or internal lug type radiator valves allowing for variations in size, shape and position.
12mm to 14mm internal hexagon valves tapered allowing for variations in size.