ITEM NAME:4 Way Macro Shot Focusing Focus Rail Metal Slider for Nikon Peantax DSLRCameraOZ Description: Included:.1 x 4-way Marco Focusing Rail Slider. The marco rail silder allows 5cm moving leftward/rightward, and 10cm moving forward/backword. Great for colse-up shooting. Material: Aluminum alloy + ABS. Four ways adjustability.