Approximate tip lengths (measured tip of needle to join of cable):
9/10 inch circulars = approx. 2 3/8 inch tips. 9/10 inch circulars available in US sizes 5, 6, 7, 8. Knitter's Pride is changing all of their packaging over to 10 inch. The 9 inch circulars we stock are approximately 10 inches in length. The packaging still says 9 inch on some sizes.
16 inch circulars = approx. 4 inch tips
All other circular lengths = approx. 5 inch tips