Spax - safety, quality and reliability since 1967. The brand product in the characteristic green packaging – produced in Germany and exported all over the world from there: clever heads in Ennepetal constantly develop new ideas, expand the product range and establish the highest quality for home improvement, professional processors, planners and architects around the world. - This product is suitable for indoor use. Spax exclusive Wirox surface – optimised countersunk head with head hole: easy insertion and permanently firm hold of decorative caps with pin. Optimal power transmission and clean seat with Phillips blade size Z2 - effortless work and longer battery life: no pre-drilling (depending on the wood). Easier cutting of the wood fibre thanks to Spax wave profile, made in Germany. Certified for use in the technical approval for screws as a wood connecting medium in carrying wood constructions (ETA-12/0114) – Box contents: 1 Spax box, pack of 1000 universal screws with head hole, Phillips Z2, countersunk head, fully threaded, Wirox surface, thread diameter (Ød1) = 4.5 mm x total length (Ls) = 30 mm, fully threaded length. (LgV) = 20 mm, head diameter (Ødk): 8.8 mm, bit not included.