You will find much more at our full web site modratec.com .

• Articles about signalling principles.
• Articles by people who have built MODRATEC lever frames.
• Useful data including drill size tables, tapping drill tables, cable capacity calculator, lever colours, and more.
• Full pricing information on Lever Frame Kits.
• Full pricing and data sheets for our WIT (wire-in-tube) products.
• Download access for SigScribe4.
• SigScribe4 design example files.
• On-line secure shop.
• Discussion forum.