It's for mounting SIX solar panels on any roof type.You might need the following additional accessories:
1. Rails (4.2m) x 4
2. Hooks x 14, or 18 (tin, clip lock, or tile depends on your roof)
3. End clamps x 4, or 8, or 12
4. Grounding lugs x 2, or 4, or 6
Quantities vary depending on your system configuration.
You can order additional accessories from our ebay store, or from our website