portion 42 adds strength to the clip and provides tube pull off retention in excess of 100 lbs force as can be seen the retaining head 40 extends outwardly from the body portion 42 at an angle with respect to the body portion 42 the retaining head 40 is spaced from the body portion 42 by a distance which is slightly greater than the width of the overturned edge 60 of the connector housing 16 this space allows the retaining head 40 to be inserted into the connector housing 16 the base portion 44 includes spaced leg members 62 which extend outwardly from body portion 42 leg members 62 are preferably elongated relatively thin members having sides 68 and top and bottom edges 70 the sides 68 are spaced apart a distance which is slightly less than the outer diameter of the third section 34 of connector housing 16 because the distance is less legs 64 are biased against third section 34 but are free to slide with respect to section 34 each of the sides 66 have outwardly bowed sections or detents 72 for receipt of the third section 34 as leg members 64 are slid along the third section 34 detent.