All-Vac Double Cup Lifter - Stainless Steel Insert Size:5 Inch The tensile strength for 7/16"

The tensile strength for 7/16" is 8

Time Saver

This scraper also comes equipped with a new blade gripping system (that makes it easier and safer to change your razor blades)

you are using too much

the Maykker Handy Sleeve won't move around or wiggle while in use

All-Vac Double Cup Lifter - Stainless Steel Insert Size:5 Inch The tensile strength for 7/16"About the All Vac Double Cup Lifter Stainless Steel Fittings Replace the Stainless Steel Insert in your All Vac Heavy Duty Double Cup Lifter with either the 4 inch or 5 inch size. Conveniently for window cleaners, these stainless steel fittings help to reduce the risk of rust.