Shock Absorber Retainer Dadp-Dgc-40-Kf for Dgc and Dgci Linear Drives. Size=40, Corrosion Resistance Classification Crc=2 - Moderate Corrosion Stress, Ambient Temperature=-10 - 80 ┬░C, Product Weight=460 G, Materials Note= (* Free of Copper and Ptfe, * Conforms to Rohs)