A coupling apparatus configured to provide a quick and efficient technique to operably connect bamboo poles or similar structural members. The present invention includes a first portion and a second portion that are operably integrated to provide coupling of structural members. The first portion includes a first section and a second section wherein the first section is insertable into the second section and is configured to be releasably secured therein. The first section includes grooves that are configured to operable coupled with a locking member located in the second section. Within the scope of the present invention alternate embodiments of the grooves and first section are contemplated. The second portion includes two embodiments wherein the two embodiments are configured to provide alternate orientations of coupling of bamboo poles. The second portion is configured to provide both an end-to-end connection as well as an angular orientation of bamboo poles.