Contains bolts and nuts for mounting plates on to skates! 

Crosshead requires a regular cross head screwdriver to fit.

Hex Bont is a cut to size bolt that uses a hex head or Allen key to turn the bolt

Slot Sure Grip uses a flat head screwdriver but its a fatter than standard screw driver head, can be fiddley to use if you don't have the correct tools

Square Riedell uses a small square screwdriver head, needs the correct tool