Feature:1. Magnesium Aluminum Alloy Material: The main body is made of premium magnesium aluminum alloy, lightweight quality, sturdy, bearing up to 3kg or more.2. Metal Slide: The track adopts metal slide, gear bite, accurate transmission, exquisite workmanship, can be used for a long time.3. Precise: With precise double ruler, can accurately observe and adjust the displacement distance, support the lateral movement of 5cm, the longitudinal movement of 10cm macro stroke.4. Easy to Use: Can be mounted on a tripod, achieve the effect of pushing and pulling and transverse movement of a small range of lenses, great to shoot the middle, close and close up of people in photos.5. Great Adaptation: Adjustable locking device for track position, 1/4 inch standard screw for quick loader, suitable for all professional SLR cameras.Specification:Item Type: Macro Focusing Rail SliderMaterial: Magnesium Aluminum AlloyWeight: Approx. 662g/23.4ozSize: Approx. 18x16x8cm/7.1x6.3x3.1inAdjustable Track Length: Both double tracks are 10cm/3.9inApplicable Model: All SLR camerasFeatures: Can move forward and backward, left and right.Package List:1 x Macro Focusing Rail Slider