These Zarges additional individual packs have elements to increase the overall working height of an existing 3T Speedy Tower. There are three packs available, please be sure that the correct one is selected. Following is a list of existing Speedy Towers & the packs they use. Product code Platform height (m) Max. working height (m) Pack combinations Speedy 1003T 0.95 2.95 1 Speedy 2003T 1.80 3.80 1 &43; 2 Speedy 3503T 3.50 5.50 1 &43; 2 &43; 3 Speedy 5003T 5.15 7.15 1 &43; 2 &43; 3 &43; 4 Example: if you have the Speedy 3503T & want to increase the working height to 7.15m you will need a Pack 4, if you have a Speedy 1003T & also want to increase the working height to 7.15m then you will need Packs 2, 3 & 4. Pack 4: 2 x end frames, 3 x diagonal braces Delivered Direct to Business, Site or Home, please note a carriage surcharge may apply dependant on the delivery address, please contact us for further details.