CRL 5" Heavy-Duty Single Vacuum Cup *DISCONTINUED* Putty Knives & Caulking Spatulas material has a shelf life

material has a shelf life of three years from the date of manufacture (found on the bottom of the can)

4 mm) glass with proper maintenance and the use of a wet Sharpening Stone to expose fresh diamonds

Lifting capacity is 70 lbs

(710 ml) barrel for bulk loading of caulking materials

CRL 5" Heavy-Duty Single Vacuum Cup *DISCONTINUED* Putty Knives & Caulking Spatulas material has a shelf lifeLarge 5" Diameter Pads Heavy Duty Cast Construction Convenient Handle Position Great for Smaller Size Plates Made by CRL in the U. S. A. These Heavy Duty CRL Vacuum Cups have the industry proven design that has been a favorite of the glass industry for decades. Their cast frames have a smooth yet durable finish that resists corrosion and the abuse that comes from everyday use. The large 5" (127 mm) diameter rubber pads get a good grip on glass,