The S2B-A aluminum adaptor converts screw-on driver to accept a bolt-on horn. 1 3/8” 18 UNEF ext. driver to 2x 1/4-20 or 3x M6 horn.
The S2B-A aluminum adaptor converts screw-on driver to accept a bolt-on horn. 1 3/8” 18 UNEF ext. driver to 2x 1/4-20 or 3x M6 horn.