Barrier-free handle material: AISI 304
The dimensions are as follows:

Size	Outer diameter mm	Thickness mm
3/4"	27.2	2.0
		2.5
1"	34	2.0
		2.5
		3.0
		3.5
		4.0
1-1/4"	42.7	2.0
		2.5
		3.0
		3.5
		4.0