4x silicone tooling sticks as used in videos.
1 x up to 9mm
1 x up to 12mm
1 x up to 15mm
1 x up to 20mm
These pieces of timber have been 'hand carved' to give a perfect chamfeur to aid in the tooling in of sealant application.
Yes you can go pick timber up from shops and try it your self but with 13 years in the industry i guarantee you wont be able to get it as smooth as this with a blade.