Primeline Speargun Band Rubber Tubing 9/16in(14mm) O.D. 1/8in(1.5mm) I.D. (Select Color and Length) Select the color swatch of your choice and then select from the available lengths on the "Size" pull down list (grayed out lengths are not available in the selected color but are available in other colors) Manufactured by Primeline Industries, the world leading manufacturer of speargun rubber. Our volume allows us to move rubber fast and fresh. We package incoming factory fresh rubber immediately upon arrival in sealed opaque plastic to protect it from ozone and UV. Crossectional Dimensions: Outside Dia. 9/16", Inside Dia. 1/8", Wall Thickness 7/32" Manufacturers Diameter Tolerance: +/- 0.02" See "Important Information" below for latex allergy warning.