Hign-concerned Chemical:NoneOrigin:Mainland ChinaApplication: Hydraulic cylinder seal kit tool for installing automotive marine hydraulic cylinders, bucket cylinder internal seals, O-rings, flexible rod seals in automotive marine, etc. Using hydraulic tools can avoid seal damage. High quality: Using high-quality stainless steel, corrosion-resistant, wear-resistant. And the smooth surface will not cause damage to the seals. Easy to use: Quickly complete the installation of the seal, and do not need to use finger assistance and spend a lot of time. Non-Slip: Our hydraulic repair tools set features a multi-colored plastic handle to avoid slippage during use and is easy to identify. All edges of the product are polished and smooth. S size seal puller rod diameters 22-40mm(0.87" - 1.57" ), cross-section max 6MM. M size seal puller rod diameters 40-70MM (1.57" - 2.75"), cross-section max 8MM. L size seal puller rod diameters70-165MM (2.75" - 6.49") , cross-section max 10MM.