Comparison : Item # T994821, 3M 821 - 2.5 Mil - Scotch® Brand Protection Tape
Item # T995821, 3M 821 - 2.5 Mil - Scotch® Brand Protection Tape
Item # T996821, 3M 821 - 2.5 Mil - Scotch® Brand Protection Tape
Item # T9943565, 3M 3565 -1.9 Mil - Highland™ Brand Protection Tape
Item # T9953565, 3M 3565 -1.9 Mil - Highland™ Brand Protection Tape