This strap is ment to put on the Wizard Base High skates over the shin/cuff.

Buckles that are mounted like this are called SBM2 which stands forStandardBuckleMountwith a total of2bolts.

These type of buckles or straps all have only one hole on both sides. They only vary in length.

As long as the length will work, you can use any brand buckle on any brand boot.

You can also use these straps as ankle straps instead of top straps.

For the wizard base high model, these are the straps used for each skate size
36-41 = 19.5cm from bolt to bolt
42-43 = 21cm from bolt to bolt
44-45 = 22cm from bolt to bolt
46-47 = 23cm from bolt to bolt