Features: This 17 piece silicone plugs set offer multifunction hydraulic oil service solution with three size (5 large, 10 mediums, 20 small), to secure seal various automotive and industrial component.<br> Crafted from oil resistant multiple component rubber, these plugs feature dimension up to 5.51" length and withstands repeated use in demanding environment.<br> Ideal for mechanics, enthusiasts, and workshop professional requiring fluid systems maintenance tool.<br> Perfect for sealing hydraulic lines, transmission pan, or engine oil passages during repairs, upgrades, or routine vehicle servicing.<br> The graduated sizing systems ensures compatibility with multiple equipment types, while the flexible silicone construction prevents leaks under extreme pressure conditions.<br> Specifications: Component:Silicone<br> Size:Approx.13.5mm/0.53'x55mm/2.17' (10pcs),29mm/1.14'x68.7mm/2.7' (5pcs),55mm/2.17'x138mm/5.43'(2pcs)<br> Package Includes: 17pcs Hydraulic Oil Service Plugs<br> note: Please allow 1mm errors due to manual measurement.<br> Due to the differences between different monitors, the picture may not reflect the actual color.