Blackbox , the best screw assortment system on the market . Now you can mix yourself or buy to your current bag. The bag has 6 rows and you can mix as you wish. Each row can have the following boxes Small box you can have 3 pieces on 1 row Medium box you can have 2 pieces on 1 row Large box you can have 1 piece on a row Of course, exactly the same quality screw as in the Blackbox assortment bag. You can also buy the bag itself empty and choose the dimensions you want in the bag. The screw is C4 tested for outdoor use in coastal environments. Of course also CE marked according to the latest regulations. All screws have a cutter tip to avoid cracking the wood. All screws are also waxed for easier tightening, which saves battery and reduces the stress on your machine. Each dimension is in a plastic box that has a belt clip. You can then hang the box in your pants pocket or in your belt when you, for example, have to climb a ladder or need both hands free. You then click the box back into your bag, which also means that the screw cannot fall out when you open the bag. All screws are made of Premium quality and have , cutter tip, related , saw teeth. All screws are also waxed for easier tightening and additional rust protection. Pro-Point screws are made for professionals and discerning DIYers. Maximum performance and quality at the lowest prices on the market, Pro-Point wood screws have a Speed + thread that provides a 20% faster screwing time.