419 PCS Universal O Ring Assortment Set Metric Oil Proof Kit 32 Size O-Ring Case
Feature： Type: O Ring Case Color: Red O ring Color: Black Sizes: 3 mm I.D. to 50 mm I.D Thinkness: 1.5mm 2mm 2.5mm 3.5mm Appliactions: Piping, mechanical, hydraulic, pneumatic maintenance Case Dimensions: 25*16*4cm Quantity: 419 pcs/set Description： .