10 inch [25 cm] mounting cup with aluminum platform
The 10" mounting cup with aluminum mounting platform boasts a remarkable 175 lb [79 kg] load capacity.  The innovative design of the vacuum cup allows it to attach to flat and curved, smooth, nonporous surfaces. By adding on the aluminum mounting platform, versatility and power are matched to form and function.  With its 1/4-20 and 3/8-16 thread tapped holes, this is an ideal solution for mounting pro-sized video cameras and pro cinematography cameras.  This setup has also been used to mount electric trolling motors and support electronic distance measuring equipment.  If you've got a heavy duty application, the 10" mounting cup with the aluminum plate may well be the solution you need.

Features of the 10 inch mounting cup w/platform
Provides a reliable, temporary vacuum mount, without drilling holes.
Rubber vacuum pad will not mark or damage most surfaces.
Supplied with protective nylon pad cover.
Mounts pro-sized video and film cameras - anything equipment that adapts to 1/4-20 or 3/8-16 threaded, tapped holes.
Attaches to flat or curved, smooth, nonporous surfaces (13 in [33 cm] minimum radius for curved surface mounting).
Easily replaceable handle/release valve and plunger.
Red-line indicator warns user of any vacuum loss.
Check valve allows repumping without loss of remaining vacuum.
Vacuum Pad is concave, 10 in. [25 cm] diameter.
Load capacity is 175 lbs [79 kg] per cup.
Manufactured by Wood's Powr-Grip Co., Inc.