NP. it all fits perfectly, not to tight, not loose

grahame got it home about 30 min ago so all good

its a pier in his back yard. 150mm x 150mm box with 5mm walls, 300 x 300mm 12mm thick plate top and bottom and the biggest mother of adapter for the losmandy head. its 25mm thick walls. :S i had to mill it down in the middle. but weighing in at 36kg + the adapter which would be a good 3-4kg its a piece of kit alright