Feature: 1.This engine tool kit set is made of hardened chrome molybdenum steel with long-lasting black oxide finish.Effective anti-rust/corrosion and deformation protection with strong toughness. 2.Valve spring compressor tool for ford 4.6L 6.8L 3V 3.Crankshaft positioning tool designs to align and hold the crankshaft of your Ford engine. 4.Cam phaser locking tool designed with a triangle shape with four holes to perfectly fits for your cam phaser. .