material: premium plus carbon steel drop forged, entirely hardened and tempered head polished surface finish: chrome plated to standard ISO 1456:2009 tips black finish handles plastic dipped made according to standard DIN 5256 form D Advantages: 30% higher endurance in comparison to convenient lock rings pliers for diameter 8 to 100mm with inserted tips dimension 300mm with standard tips Usage: for fitting circlips on bore holes