GSM Outdoor/SME Bubble Level Anti-Cant Scope Leveling Device 30mm/1" Tube Compatible Matte Black Finish Shooting Made Easy or SME is excited to offer a new line of firearms accessories including this new bubble level anti-cant scope leveling device. Long range precision shooting requires that you know your distance, know the wind and know whether you scope is level. This bubble level takes up a small footprint but provides you with the knowledge that you are level with just a glance. This unit is made from high quality aluminum with a matte black finish. Specifications and Features: GSM Outdoors/SME (Shooting Made Easy) SME-LVLSCP Anti-Cant Scope Leveling Device Simple Bubble Level Verify Rifle Bore/Scope alignment at a glance Small Footprint Attaches to 30mm/1" Diameter Scope Tubes Aircraft Grade Aluminum Matte Black Finish Includes: 1" Spacers