Freshpark 4 x 4 quarterpipe 4ft extension kit the 4 x 4 kit comes with 1 curved panel 1 flat panel 4 extended legs and 2 extra support bars attach this to an existing quarterpipe to make a larger steeper and longer quarterpipe quarter pipes safety rails sold seperately product specs size 103 l x 48 w x 48 h product weight 236 lbs maximum weight 800 lbs folds in half and stacks flat