Nitecore GM02 Pro 1in Mount for Tactical Flashlights Black/Yellow. A large stainless steel thumb nut alloys for easy adjustment and ensures stable mounting on a Picatinny rail. It can fit flashlights with a body diameter of 1 inch (25.8mm-26.5mm) and fits models like the Nitecore SRT7 SRT7i SRT6i MH12 Pro and MH25 Pro. Specifications for Nitecore GM02 Pro 1in Mount for Tactical Flashlights: Manufacturer: Nitecore Width: 1.69 in Fabric/Material: Aluminum Color: Black/Yellow Finish: Anodized Height: 1.69 in Length: 1.90 in Weight: 0.15 lb 68 g Features of Nitecore GM02 Pro 1in Mount for Tactical Flashlights Compatible with the SRT6i SRT7i MH12 Pro and MH25 ProFits flashlights Body diameter of 1 inch (25.8mm-26.5mm) Constructed from aero grade aluminum HA III military grade hard-anodized finish Large stainless steel thumb nut for easy adjustment Package Contents: Nitecore GM02 Pro 1in Mount for Tactical Flashlights Nitecore 6952506496501: GM02 Pro 1in Mount for Tactical Flashlights Black/Yellow