These Roto Designo top scissor hinges are designed for concealed fix tilt and turn systems.
For use on UPVC and aluminium systems, these scissor hinges are available in a variety of lengths for vario...
Siegenia Titan tilt before turn top scissor hinges for concealed fixed systems. Available left and right handed in 4 width ranges to suit sash rebates from 380mm to 1250mm. Suitable for PVCu, timber a...