Suitable for roof constructions, timber construction, door and window frames, furniture frames, pallet construction, box construction. Finish: bright, galvanised, hot-dip galvanised in 21° or 34° magazining. All nails are additionally resin-coated (for better penetration and higher holding power). Shank shape: smooth and grooved design. All nails are manufactured in Europe and therefore guarantee a high, constant quality. Treatment with resin makes it easier to drive the nails into the material. At the same time this provides a higher hold. Suitable for GSN 90-21 RK Professional. galvanised. 2.8 mm, 75 mm, galvanised, smooth.