A construction system is described and which includes a first construction element which has at least one passageway which extends therethrough; a fastener body having a first and a second portion, and wherein the first portion of the fastener body is received in the passageway defined by the first construction element; and a locking member having first and second portions which individually matingly cooperate with the respective first and second portions of the fastener body to secure the fastener body to the first construction element.