The product includes only the self-made parts in the red circle. Please remove and attach the knobs used to secure the parts to the float from your current bar. (If you need new knobs, I can prepare a set for an additional 2000 yen.) This was self-made with the concept of providing ample legroom in the float boat without extensions and making preparations easy. I made this because I felt that while extension kits expand legroom, they also make preparations a bit difficult... I'm an amateur, so the quality is what it is, but it has been tested in actual fishing! Fishing types/fish species... Horse mackerel/ajing, rocky shore, squid/eging, mountain stream, sea bass, jigging, black sea bream, trout, boat, fly fishing, crucian carp, lure, other Type... Other Features... Other Fishing types/fish species... Horse mackerel/ajing, squid/eging, mountain stream, sea bass, jigging, black sea bream, trout, boat, fly fishing, crucian carp, lure, other Type... Rubber boat Features... Other Fly materials/fly fishing... Other Size... Other