O.D. Size Inch

Dimensions 

Size x Wall Thickness Inch
Inner tube

Inner
 tube

Outer
 tube

Wall Thickness
Inner tube

Wall Thickness
Outer tube

t1 inch

t1 mm

t2 inch

t2 mm

 ¼" x ½" 

0.035

0.89

0.049

1.24

0.25x0.035

3/8"x  5/8"

0.035

0.89

0.049

1.24

0.375x0.035

 ½" x ¾"

0.049

1.24

0.065

1.65

  0.5x0.049

 ¾" x 1"

0.065

1.65

0.065

1.65

0.75x0.065

 1" x 1¼"

0.065

1.65

0.065

1.65

1.0x0.065