VIVO Reinforcement Brackets: We create affordable solutions designed with creativity and quality to transform your unique workspace. This product is a steel reinforcement bracket kit that adds extra support to your desk clamp and monitor setup Compatibility: This product is designed for C-clamp mounting, and fits most types of C-clamps on the market. An anti-slip sheet is included and attaches to the underside of the main plate to protect your desk surface from scuffs and scratches