Hardened steel nails with brass laminated head type “TRO, TROS” are made of high carbon steel (C 72). Hardened till 54 – 56 HRC, they can bend up to more than 90° for the maximum safety of end users.

They are suited for hanging paintings, graphics, photos, etc. directly on brickworks, concrete or hard timber.

Point: round cut point
Finishing: black, with extra large head covered by a real brass thin cup gold or silver color