Seadog V.1 Drop-In Hidden Horn w/Grills 431210-1 | 6 comp jacket Shank hole size is 1-1/4"

Shank hole size is 1-1/4"

Square Rails

which creates a rock solid connection between mast and board

Trimax Receiver Locking Pin #255-SXTC2

Inflatables

Seadog V.1 Drop-In Hidden Horn w/Grills 431210-1 | 6 comp jacket Shank hole size is 1-1/4"Seadog V. 1 Drop In Hidden Horn #354 4312101 Kit includes a horn plus one chrome and one white decorative billet snap in grill. Hole size 1 7 8" x 3 3 8". At 106 decibels and a frequency (Hz) of 44020A, this horn meets US Coast Guard's COLREGS and ABYC standard A 23 for use on vessels under 12m (39'). Constructed of powder coated steel and injection molded nylon. NMMA Type Accepted #2577064. 12VDC.