Product Details:

Durable metal handle.
Fast attachment on smooth, nonporous flat surfaces.
Flexible vacuum pad edge for materials that may bend or flex when lifted.
Red-line indicator warns user of any vacuum loss.
Check valve allows re-pumping without loss of vacuum.
Release valve lever permits quick and complete release.
Supplied with protective carrying case.
60 Square Inches of Gripping Surface.

In addition to all the advantages of the W4950, the W5450 Vacuum Cup features a slightly higher capacity and flexible edges on the vacuum pad, to handle Plexiglas and other materials that may bend when lifted.

By pumping the steel plunger on the Wood's Vacuum Cup, the flat rubber pad takes minimal time to reach its full vacuum.
A red indicator band lets you know if you are in the "safe" range for lifting.

Additional Product Information:
This cup has a vertical lifting capacity of 150 pounds (68 kilograms), enough for most manual lifting situations.
To release, just press the trigger on the opposite side of the plunger.
This is the choice of vacuum cups by most professional glaziers.
Made by the most trusted brand of vacuum cups in the world.
Comes with a heavy-duty plastic carrying case.

Size:        9 in (229 mm)
Capacity: 150 lbs (68 kg)

Important Note:
Never exceed the recommended weight limit of this cup.
CAUTION:
Cups must be kept clean and stored in carrying case when not in use.
IMPORTANT:
Small cuts cause leaks.

Use CRL Rubber Conditioning Glycerin to keep your cup in good condition.