Both are mounted to guitars via two threaded posts that may be screwed directly into the guitar's solid body (old style), or into threaded anchors that are pressed into the body. These bridges are also used on some archtop hollowbody guitars, such as the Gibson ES175D, which use a floating rosewood or ebony base (or foot) with two threaded posts screwed directly into it.
Both are attached to guitars via two threaded posts that can be screwed directly into a solid body (vintage style) or into threaded anchors embedded in the body. These bridges are also used on some archtop hollowbody guitars, such as the Gibson ES175D, which employ a floating base made of rosewood or ebony with two threaded posts screwed directly into it.