✅ Made of CNC precision machined solid aluminum alloy with smooth anti-rust coating, sturdy and wear-resistant for long-term frequent workshop repair use ✅ Equipped with multiple adjustable locating pins to achieve accurate centering, effectively avoid oil leaks caused by offset installation ✅ Built-in central pressure screw provides evenly distributed force to prevent oil seal deformation and permanent damage ✅ Ergonomic spherical non-slip rubber knobs deliver comfortable grip and ease hand fatigue during lengthy engine maintenance ✅ Thickened heavy-duty alloy base features great compression resistance, won’t bend or deform under heavy extrusion force ✅ Professional exclusive engine service tool, ideal for auto repair shops and private DIY engine overhaul work.