1, easy adjust to Q,K,CK 2, with 6 castors, two with lock 3, minimum assembly 10 mins only 4, ... frame has a double angle iron rigid center support with two legs to provide maximum strength and distribute the ... spring / foundation even in the middle. The heavy duty side rails and cross arms will adjust to fit Queen, King ... x1.18"x0.12";GB35# 2.Side Rail: 1.18"x1.18"x70.07" 3.Cross Rail: 1.18"x1.18"x27. ...