UNIOR: Product features material: premium plus carbon steel drop forged, entirely hardened and tempered head polished surface finish: chrome plated according to ISO 1456:2009 tips black finish double plastic dipped handles made according to standard DIN 5254 form A Advantages: 30% higher endurance in comparison to convenient lock rings pliers with inserted tips for diameter 3 to 100mm Usage: for fitting circlips on shafts