Our track adaptor allows you to mount your favourite track accessories to your inflatable watercraftpre installed 341 mounts.Simply fasten the track to your 341 mount with the supplied ΒΌ β 20 x Β½β stainless steel bolts. Slide and lock our 438 gear head adaptor or ball mount onto the track. Attach your post and ball mount accessories to the adapter and get out on the water.