Overall	Overall
MODEL	Material	Length	Width	Tube	Chamber	Max load
		(cm)	(cm)	(cm)		(Kg)
PSM270	0.9mmpvc	270	153	41.5	3+1	479
PSM300	0.9mmpvc	300	153	41.5	3+1	500
PSM330	0.9mmpvc	330	153	41.5	3+1	629
PSM360	0.9mmpvc	360	170	45	3+1	700
PSM390	0.9mmpvc	390	190	50	3+1	780