TomLine Report post Posted February 22, 2010 I know nothing about sewing machines. The cobra looks great, the tippman looks frustrating. What's the difference beween class numbers; class 3 and class 4?? What does price and shipping run on the Cobras? Quote Share this post Link to post Share on other sites
Cobra Steve Report post Posted February 22, 2010 I know nothing about sewing machines. The cobra looks great, the tippman looks frustrating. What's the difference beween class numbers; class 3 and class 4?? What does price and shipping run on the Cobras? Hi TomLine, thank you for your interest in the COBRA line of Sewing Machines. THe Class 3 has a 9 inch arm, and the Class 4 has a 16 1/2 inch arm. Please call me at 1-866-962-9880 so I can tell you all about them. Thanks, Steve Quote Share this post Link to post Share on other sites