Brass Radiator Valve Extension - 1/2" Inches Male to Female BSP - Tap Pipe Connection Extension - Corrosion and Rust Resistant. (Radiator Valve Extension - 10mm)

Essentials 3/4" BSP Female x 1/2" BSP Male 65mm Chrome Radiator Telescopic Valve Extender 2 Pack - Screwfix

1/2" x 15mm Long Chrome Radiator Extension (Known as Radiator Valve Extension/Radiator Extension Also Available in 10mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 75mm, 80mm and 100mm Long)