Package of 6 * Contains 2 each of Tan Red & Blue * Built-up handles give greater control to people who lack coordination strength or gripping ability * Tubing has a slip-resistant skin * 12 Long (Can be cut to length) * Tan - 1/4ù (.6 cm) I.D. 1ù (2.5 cm) O.D. 3/8ù (.95 cm) wall thickness. Red - 3/8ù (.95 cm) I.D. 1 1/8ù (2.9 cm) O.D. 3/8ù (.95 cm) wall thickness. Blue - .7ù to .8ù (1.8 to 2 cm) I.D. 1 1/8ù (2.9 cm) O.D. .21ù to .29ù (.53 to .75 cm) wall thickness