To be used as foot or thrust pad. MaterialBall element Heat-treated steel, tempered, blackenedStainless steel 1.4305Ball element with bolt Heat-treated steel, blackenedStainless steel 1.4305Lock nut Steel, blackened, ISO 4032Steel, blackened, DIN 934Stainless Steel A2, ISO 4032Stainless Steel A2, DIN 934