Stålviks is a Swedish brand that is designed for professionals and discerning DIYers, while the prices are lower than the low-priced screws on the low-price markets. The screw has all the modern features that make installation faster and easier. The bit grip in the screw is made so that the bit has maximum area and in this way you avoid problems with the bit spinning in the screw while getting a perfect grip. The screw is C4 certified according to the standard requirements for C4. Stålviks has selected the best-selling items and focused on quality, large volumes and price. Cutter tip = Provides a lower torque while reducing the risk of cracks. Saw teeth = Cut off the wood shavings neatly Log cutter = Transports shavings and reduces friction. The screw has a cutter tip that reduces the risk of cracks. The screw is also waxed for easier tightening. Stålvik's screws are made for professionals and discerning DIYers. Maximum performance and quality at the lowest prices on the market. Speed + thread that makes screwing in 20% faster. Simply a professional screw at a low market price.