Usage Tips:5X4.5CM Black 45 Degree Side Rail Mount Offset Rail Mount For Flashlight Outdoor (black) DT2788 This item is the 45 degree offset rail mount that allows the attachment of flashlight, red dot sights, etc. Made from premium material, perfect for a small scope, fit& x27;s your red dot. It is durable and reliable, light weight, easy to carry. Features - Color: Black. - Material: Aluminium Alloy. - Size: About 5.00X4.50X1.70cm/1.97X1.77X0.67in. - Made from premium and thick material, it is practical and durable. - Slot can be adjusted for your convenient use. - Allow the attachment of flashlights, red dot sights or other accessories. - Sturdy and fit the picatinnyrail perfectly. - Keep accessories off to the side so they don& x27;t interfere with vertical grips, or optics.