The B2S-A aluminum adaptor converts bolt-on driver to accept a screw-on horn. 2x 1/4-20 or 3x M6 driver to 1 3/8” 18 UNEF horn.
The B2S-A aluminum adaptor converts bolt-on driver to accept a screw-on horn. 2x 1/4-20 or 3x M6 driver to 1 3/8” 18 UNEF horn.