Sanding blocks set with tightening of the paper

MembershipJoin my subscription and feel free to sell all my stuff with commercial license :)Edit: - Added 25mm wide version          - Added 46mm wide version (be careful, it is a bit tricky to move with the tightener because of very wide body.) Please have a look on my V2 version. No tools or hardware needed. :) Please, make sure you check my version for 330mm sanding belt :)And open version here: I like all these sanding block sets that we can find on the internet, but I w