Optimal tool for quick and secure installation of HTWD-R4 or HTWD-R6 expansion rivets. Sturdy and robust tool for fatigue-free working. Also well suited for high channels and hard-to-reach areas. Color coding for easy identification of the appropriate expansion rivets. These tools are very practical for securing wiring channels with HTWD-R4 and HTWD-R6 expansion rivets. Using conventional screws is much more complicated for fastening.