•Monument Radiator Spanners Twin Pack with 1 x 10mm and 1 x 12mm square section radiator spanners.
•Suitable for vent plugs and bleed screws.
•They are made from zinc plated steel with a slightly offset handle for ease of use.
•Ideal for 3/8 In, 10mm, 12mm hex and lugged valves
•4mm & 5mm balancing valves