DETAILS
				
					New Stac system of retaining friction stays which allows set ventilation positions for opening windows.
TECHNICAL CHARACTERISTICS:
- Fast assembly. Pre-mount directly to sash and frame.
- Easy adjustment of ventilation opening.
- Stable ventilation position with retaining spring . - Additional fixing possible with plated nuts.				
				
										
						Groove type
						
															Euro groove (frame 10 ~ 14.5)