Specifications︰ Item No./ Size /Available to use for the tube's thickness
SS:1030A /1 inch/ 0.6 to 1.5 mm
SS:1230A /1-1/4 inch/ 0.7 to 1.6 mm
SS:1530A /1-1/2 inch /0.8 to 2.0 mm
SS:2030A /2 inch /0.9 to 2.0 mm
SS:2530A /2-1/2 inch /1.0 to 2.5 mm
SS:3030A /3 inch /1.2 to 2.8 mm
Finish : Surface Mirror Finish
Material : Stainless Steel # 304

Advantages︰ Characteristic :

1. Patent spring , it's just the different thickness.

2. Needless welding, needless polish.

3. It's perfect to close together.

4. Bronze material also available for the above size.