The lett 45° L-type connector is one of standard component in aluminum profile stairway platform systems and belongs to category of internal expansion connection components. This connector primarily used for 3-way connection at the top of 45° handrail slope corner (left-side). It's designed for assembly with 6063-T5 φ40 aluminum tubes, sturdy and easy to install. This diagram illustrates the 3-way connection between tubes
