Universal Anti-Marring Wine Corkscrew Spiral Worm Replacement - compatible with most lever rabbit type wine openers (Metrokane, Houdini, Rabbit, etc.) - by Pernali Pernali's Anti-Marring model spiral is 1/4 inch shorter in length and smaller diameter than most standard spirals to better prevent the spiral from penetrating the bottom of the cork, and dropping cork fragments into your bottle of wine. Spirals need to be changed regularly to PREVENT damaged corks, and difficult operation of your corkscrew. Pernali's uniquely designed Anti-Marring spiral is engineered to create super smooth, clean cork pulls. Our product will extend the life of your corkscrew, and last approximately 1000 cork pulls before replacement! Built with high tensile carbon steel with a unique multi-layer non-stick finish. Our spiral incorporates micro bearings into the head of the spiral; creating flawless function and superior zero drag operation. Our shorter length, smaller diameter, and tapered tip allows for smooth easy cork penetration resulting in less effort needed to operate your corkscrew. Pernali's replacement spiral is compatible with many makes and models of lever type corkscrews including brands such as Houdini, Rabbit, MetroKane, and Pernali. Measures 3.25 in, or 8.26cm.. It is quick and easy to replace the spiral from your current corkscrew. Simply unscrew the protective cap above the spiral on your corkscrew, remove the old spiral, drop our spiral in, and screw the cap back on. That's it! We guarantee our spiral will outperform your current and factory provided spiral with full confidence!!!