From Zoro
Silverline Aluminium Sash Clamp 1500mm
The Range
Silverline VC65 Aluminium Rapid Adjustment Sash Clamp, 1500 mm - Spring-Loaded - Blue
OnBuy
Silverline Aluminium Sash Clamp ( 1500mm ) ( UK )
Electrical World
Silverline Aluminium Sash Clamp - 1500mm