The improvement includes:

• Integrated Top Stop, supplied assembled to improve fabrication efficiency
• Simply slide the Top Stop forward/backward to lock or unlock
• Small notch on Funnel to help align the Inner Rail to correct 52mm spacing
• Revised Funnel geometry improves ease of Zip insertion
• Front & back Top Stops operate together, providing a more secure solution for Face Fix applications

The improved Top Stop will be standard on all orders from the 31st of July 2023.