6 inch Vacuum Mounting Cups offer a great solution for mounting a variety of equpiment.
You can mount your GPS system, your PDA, your cell phone, your fish finder...virtually anything that adapts to a 1/4-20 3/8" or 5/8" threaded stud or 1/4-20 threaded insert.
These powerful 6 inch vacuum cups will attach to autos, RV's, boats, windows, counter tops, windshields ... anything with a smooth, nonporous surface.

Features of the 6 inch Vacuuum Mounting Cups
Provides a reliable, temporary vacuum mount, without drilling holes.
Rubber vacuum pad will not mark or damage most surfaces.
Mounts GPS systems, PDA's, cell phones, anything with a standard 1/4-20 thread (3/8" or 5/8") threaded stud or 1/4-20 threaded insert.
Attaches to flat or curved, smooth, nonporous surfaces.
Metal accessory mount with threaded stud for attaching equipment
Durable polycarbonate accessory mount with threaded stud or insert for attaching equipment.
Red-line indicator warns user of any vacuum loss.
Check valve allows re-pumping without loss of remaining vacuum.
Lift tabs on pad edges permit instant release.
Supplied with pad protector.
Vacuum Pad: Concave, 6" (15 cm) diameter (model TL6)
Minimum Radius for Curved Mounting Surface: 12" (305)
Load Capacity: 70 lbs. (32 kg) per cup
Manufactured by Wood's Powr-Grip® Co., Inc.