N74A 4ft (1.22m) straight, 1-1/4 (31.75mm) heavy duty rod, one end has interchangeability between 1/2 -13 threaded insert or bayonet insert. Tapered on the other end with 1/2-13 threads for N80D/N80E balls for sax bells, baritones and sousaphone. Bayonet insert allows for use with N95, N95B, N96 Dent Removing Rings as well as other dent machine attachments that connect to the bayonet mount.