Just released from Vise Grip, new individually 3/4" wide cut pieces of Vise Grip Hada Patch. The tape comes 50 pieces to a package. The Grey Hada patch is the roughest material. The Aqua/Black Hada patch is smoother material, than the Gray Hada Patch. The Aqua/Black Hada Patch tape gives you a faster release, than the Gray Hada Patch but slower release then the Red Hada Patch. #1 - Quickest (Blue) #2 - slightly slower (Red) #3 - even slower (Aqua) #4 - slowest release (Gray)