420 Smart Suction Cup Mount has an extra-strong hold and attaches to any smooth, non-porous surface. The suction cup assembly is manufactured by Ram-Mount and paired with 420 SMART Cannabis Trimming Clamping Unit hardware. Apply the suction cup to a clean surface and turn the twist-lock tabs to lock in place. 3.3" diameter. This product is recommended for supporting lightweight devices up to 2 lbs. Includes all hardware.