Crimson Trace Low-Powered Variable Throw Lever Internal NLB Robust Polymer Black. Specifications for Crimson Trace Low-Powered Variable Throw Lever: Manufacturer: Crimson Trace Color: Black Fabric/Material: Nylon Weight: 0.25 oz Fit: Hardline/Harline Pro/Brushline Pro Finish: Nylon Condition: New Size: 44 mm Features of Crimson Trace Low-Powered Variable Throw Lever: Slip-Over Design; Position Can Be Customized For The Desired Angle; Robust Polymer Design For Rigidity And Lightweight; Internal Nlb Construction Seats Into Focus Ring Grooves To Prevent Slipping; Package Contents: Crimson Trace Low-Powered Variable Throw Lever Allen Wrench Crimson Trace 01-3002489: Low-Powered Variable Throw Lever Internal NLB Robust Polymer Black