Spax – safety, quality and reliability since 1967. The brand product in the characteristic green packaging - produced in Germany and exported all over the world: clever heads in Ennepetal constantly develop ideas, expand the product range and establish the highest quality for home improvement, professional processors, planners and architects around the globe. This product is suitable for fixing rafters or on-roof insulation systems - higher pulling force thanks to the flat head. Optimal power transfer and clean fitting even when processing via head with Spax. T-Star Plus T50 Bit with guide pegs. Effortless work and a long battery life. No pre-drilling (depending on the wood). Easy penetration, reduction of the gap effect by 4CUT: Four edges in the screw tip. Easier cutting of wood fibres thanks to the Spax wave profile - made in Germany: TUV certified. Certified for use in construction. European technical approval for screws as a wood connecting medium in supporting wooden structures (ETA-12/0114). Package content: 1 x Spax box of 25 wood screw, T-Star Plus, plate head, partial thread, 4Cut head, Zinc-plated yellow passivated. Thread diameter (D1) = 10 mm x total length (LS) = 320 mm, partially threaded length (Lgt) = 80 mm, head diameter 25 mm, bit not included.