material: premium plus carbon steel drop forged, entirely hardened and tempered head polished surface finish: trivalent chrome plated according to ISO 1456:2009 tips black finish double plastic dipped handles made according to standard DIN 5256 form C Advantages: 30% higher endurance in comparison to convenient lock rings pliers with inserted tips dimension 300mm with standard tips for diameter 8 to 100mm Usage: for fitting circlips on bore holes Ergonomic handles With ergonomic handles and a specially designed grip, surface Unior pliers provide maximum comfort at work and high efficiency with minimum strain. Surface protection The pliers are made of excellent steel with special improved composition. Several models come with additional chrome surface protection. High precision With their perfect design and technological superiority, Unior pliers ensure a high precision hold in any instance of general or dedicated use. Profiles Documentation pdf Internal lock rings pliers, s