+1 for whatnot says above.
With all due respect to Dominik Pierog (above) it is just NOT true that pinned blades are "rubbish, waste of money". Many people can - and do - produce excellent work using only pinned blades, and some scroll saws will NOT accept pinless blades (not sure about your machine, don't know it, waiting for you to post a pic).
Pinless blades ARE MUCH easier to use than pinned, and for some of the work that Dominik himself posts here (for example his very fine and delicate fretwork, almost like lace) I would call pinless virtually essential.
But make no mistake, pinned blades CAN be used to produce very good results in MANY classes of scroll sawing, and for more general work too.
Axminster Tools are UK stockists of the Swiss made Pegas brand blades, and also both Hobbies Ltd UK and Hegner UK sell a wide range of blades. Pegas' range includes both pinned and pinless blades in a wide variety of sizes/TPI/tooth form/thickess, including blades for cutting thin sheet metal.
From the above you WILL find blades to suit whatever work you're going to do, and IF "we" find out that "we" can't see a way to convert your machine to accept pinless blades, don't worry mate, you can do a helluva lot with pinned blades!
@Dominik Pierog: I have a great deal of respect for the work you have posted here, and I try to make allowance for your being in Poland, so I assume that English is not your mother tongue.
But PLEASE stop posting statements such as the above which are both easily proved to be false AND liable to put beginners with less knowledge than yourself off scrolling completely.
You may well have found pinned blades to be very far from ideal, especially when you're producing that very fine fretwork mentioned above. But you just CANNOT say that, for example, that very attractive children's ceiling mobile that you posted here about a week or so ago could not have been produced using pinned blades. It most definitely could, and I believe you know that. But you have reached such a high level of scrolling skill yourself that you cannot imagine yourself struggling with pinned blades again.
OK fair enough Dominik, I can well understand that attitude, but with replies like the above you are completely failing to put yourself in the shoes of a beginner like the OP here.
AND you have done exactly that several times before in similar posts! So DO please stop doing that, you could well be putting off beginners for life.
With respect