Vortex Pro Leveling Kit - Precision starts with proper scope alignment. The Pro Leveling Kit ensures riflescope reticles are perfectly level, helping maintain accuracy when making elevation and holdover adjustments at extended distances. Designed for simplicity and reliability, this easy-to-use tool removes guesswork from the mounting process and helps eliminate alignment errors that can impact shot placement. Whether dialing for long-range targets or preparing for a critical hunting opportunity, the Pro Leveling Kit provides confidence that optics are set up correctly from the start. Easy, One-Handed Operation; Dual Levels Ensure Accuracy; Low-Glare Matte Black Anodize; 6061 Aluminum - Durable and Lightweight; Clips to any Picatinny Rail; Included in the Box ( 1 ) Picatinny Clip-On Bubble Level; ( 1 ) Bubble Level; ( 1 ) 2mm Hex Wrench;