UTG Law Enforcement Grade Quick Detach Bar Padlock Universal Picatinny Mount (UPM)-- 2PCs 1" Rings, Fully Adjustable for The Majority Of Safe Padlock, 18mm Wide, 10mm Burdened Level, Low Key, Non-See-Thru, Suits Scopes approximately 45mm Purpose Dimension, 4 Best Screws
4-screw Low Profile "Tiger" Ring, Precision Machined From Aircraft-grade Aluminum Alloy with Anodized Black Matte Finish
Robust and User Friendly Ergonomic Quick Detach/Lock Lever Fully Adjustable to Fit on Any Picatinny Rail
High Quality Synthetic Protective Tape Applied on Rings Internal Surface
Tight Tolerance Control and Repeatable Positive Locking for Optimal Re-zero Performance
Extensively Field Tested under Extreme Operations and Well Received by Field Experts and Law Enforcement Personnel.Kindly refer the user manual attached below for troubleshooting steps and instructions.