Wide Compatibility The 68500 Manifold Drill Template is designed to remove broken exhaust manifold studs on 4.6L, 5.4L and 6.8L V10 2 valve and 3 valve Ford Triton engines without damaging the cylinder head. Superior Material Made of premium grade steel and aluminum alloy, it is anti-corrosion and anti-rust, ensuring high strength and durability, high performance and long service time. Great Performance Interchangeable plates and alignment pins help center drill on the broken stud. Depth gauge for drilling is marked on the template. The stud extractor is then used to remove the broken stud. Premium Service .