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° magazine. All nails are additionally resinated (for better penetration and higher holding power). Shank shape: smooth and grooved version. All nails are manufactured in Europe and therefore guarantee high, consistent quality. The resin treatment makes the nails easier to drive into the material. This also ensures a better hold. Suitable for GSN 90-21 RK Professional. blank. 2.8 mm, 60 mm, blank, smooth.