The DW SM-MG1 Mega-Clamp 90 Degree Multi-Clamp is designed as a two-way V - V clamp. Each side of the Mega-Clamp is a quick release V clamp and accommodates a 1/2 tom arm to 1-1/4 tubing. DW includes two memory locks with your Mega-Clamp. Note that DW products are not available for further discounting online. For additional information please call 866-226-2918.