1.This is gas cylinder part or a round plate, 2.The ctn size is 66.5*34.5*21.5cm,12pcs/ctn. 3. It can turn 360 degree 1.This is gas cylinder part or a round plate,2.The ctn size is 66.5*34.5*21.5cm,12pcs/ctn.3.It can turn 360 degree,4.Can hold on gas cylinder or flower plate Gas Cylinder Part 360degree ZJ-J1001