Universal Engine Overhead Valve Spring Compressor Removal Installer Tool It is designed to remove valve spring quickly without removing cylinder head. Rational construction and delicate craft, offset jaws easily grip and compress valve springs. Dial adjustment For fast, accurate setup. Sturdy and durable carbon steel material with zinc and black oxide finish, good bearing capacity and rust resistant. Universal design fit For most of cars and light trucks. Specifications: Material: Carbon steel Color: Black & Sliver Size: Approx. 14.5 x 7.5cm/5.7" x 3" Package Weight: Approx. 429g Fitment: Universal fit For most of cars and light trucks. Package Included: 1 x Valve Spring Compressor