Wood's Powr Grip 3 inch Black Vacuum Pump Suction Cup 1/4-20 5/8" Thread 91152

Manufacturer DescriptionThe Vacuum Pump Suction Cup Base is a perfect mounting base when you need a super strong hold. Pressing the side pump on the suction cup base creates a vacuum for the suction cup base that is second to none. The top of the suction cup base included an integrated 1/4-20 male threaded stud that will match directly to the RAM 1/4-20 Female Thread with 1.0 inch Ball or RAM 1/4-20 Female Thread with 1.5 inch Ball. The suction cup is designed to hold on any smooth non-porous surface, but for best result, mount the suction cup on a glass¹ or non-porous plastic surface.TL3AMB1420T58L: black mount with 1/4-20 thread x 5/8" length studHolding Strength of 3 inch Vacuum Suction Mount: The vacuum mount base is rated by the manufacturer to hold a maximum load capacity of 15 pounds* connected directly to the center of the suction cup base pad as part of a cantilever setup (mounting the suction cup on a vertical surface with a vertical force).Contact Surface and Environmental Conditions: Use the cup on clean, relatively smooth, nonporous surfaces, at temperatures from 0° to 120° Fahrenheit [-18° to 49° Celsius]. Moisture or contaminants can reduce the slip resistance of the cup. The red-line indicator may not perform reliably at elevations above 5000 feet [1524 meters]Warnings: Failure to observe WARNINGS could damage the vacuum cup or the load, or cause injury to the user.Do not use the cup to support loads that exceed the Maximum Load Capacity or the effective capacity (see SPECIFICATIONS).Do not use the cup to support a person.Do not use the cup to support loads which could injure people if the cup disengages unexpectedlyDo not place the cup face against surfaces which could damage the sealing edge of the rubber pad.Avoid conditions that could cause the cup to slip or to disengage prematurely, such as:contaminants,cuts or scratches in the cup face or contact surface,applying the cup to porous materials,or applying pressure against the cup edge.Do not use the cup when the red line is visible. If the red line reappears frequently, discontinue use and contact the manufacturer.Do not allow anything to interfere with free movement of the plunger while the cup is attached.Do not touch any release tab while using the cup.Do not leave the cup in use and unattended.Do not use harsh chemicals (such as solvents or gasoline) or unauthorized rubber cleaners and conditioners to clean the cup.Manufacturers Exchange and Repair/Replacement Parts: If you need to repair your vacuum suction cup base, the manufacturer offers an exchange and repair program or you can purchase spare parts for replacement. For warranty information, you can contact the manufacturer through their vacuum cup warranty page.FeaturesVacuum Pad: Concave, 3" [8 cm] diameter (model TL3)Minimum Radius for Curved Mounting Surface: 4" [102 mm]Height to Mounting Platform (does not include stud): 1-27/64" [36 mm] on flat surfaces;1-11/16" [43 mm] on surfaces with maximum curvature.Load Capacity: 15 lbs [7 kg] per vacuum cup