Specification Brand : Ylwxzenith BulletPoint1 : Precision Focusing: The 2-way macro focusing rail slider allows for precise movement in both forward and backward directions, enabling quick and accurate focusing for close-up shooting. BulletPoint2 : sturdy Construction: Made of high-quality alloy, this slider boasts a sturdy structure and is built to last, ensuring years of use. BulletPoint3 : Universal Compatibility: Features a universal 1/4 mounting screw that is compatible with most DSLR camera brands, making it a versatile tool for photographers. BulletPoint4 : Smooth Movement: The rack and pinion design provides smooth and accurate adjustment of the rail, allowing for seamless camera positioning. BulletPoint5 : Compact and Lightweight: Weighing just over 246 grams and measuring approximately 16 x 5 x 2 cm, this slider is easy to carry and set up, making it outstanding for on-the-go photography. ConnectorType : Screw ExternallyAssignedProductIdentifier1 : 0723953992320 ExternallyAssignedProductIdentifier2 : 723953992320 ItemName : 2 Way Macro Focusing Rail Slider, Precision Camera Slider with 1/4 Mounting Screw, Ideal for Close Up Shooting, Sturdy Alloy Construction, Smooth Rack and Pinion Movement ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : video-camera-sliders Manufacturer : Ylwxzenith ModelName : Ylwxzenith63vpsxogit ModelNumber : Ylwxzenith63vpsxogit MountingType : PCB Mount NumberOfContacts : 2 PartNumber : Ylwxzenith63vpsxogit ProductDescription : Features: Universal 1/4in mounting screw is compatible for most brands of DSLR cameras. Mainly adopting premium alloy, sturdy structure and for use. Smooth rack and pinion movement provides accurate and fast adjustment of the rail. It allow movement in 2 directions, forward and backward, with precision scale to get quick focusing. for close-up shooting and hep to position camera and focus on subject with high precision.