For Ranger School you are required to bring two rolls.
For Sapper Leader Course you are required to bring two rolls.
For SFAS you have the option to bring two rolls.
This is plain old electrical tape. You'll use this for everything from dressing up your ruck to camouflaging your rifle. This tape is a rubber adhesive with soft polyvinyl chloride film backing. 1 1/4" core. It is 3/4" x 60ft.