ATD Tools ATD-5659 Universal Compression Tester oil filter tool The Refractometer contains a reticle

The Refractometer contains a reticle

Combined through-hole and friction ring socket retainer for secure socket attachment

Product Dimensions : 30 x 21

CR-MO alloy steel for long life Fully guaranteed

Comes with a plastic storage tray for organized and convenient storage

ATD Tools ATD-5659 Universal Compression Tester oil filter tool The Refractometer contains a reticleThe ATD Tools ATD 5659 Universal Compression Tester is a professional grade diagnostic tool designed for gasoline engine compression testing on both domestic and foreign cars and trucks. Featuring a 2 1 2" dual scale gauge with a range of 0 300 psi and 0 21 BAR, it delivers accurate and reliable readings for engine diagnostics. The included long flex 12" hose and multiple adapter configurations allow technicians to access cylinder ports without