Features: 100 Brand new and high quality Material:PPS engineering plastics Size:Length:18cm,Width:16cm With scale, and tripod screws, fixed in different directions, can be achieved before or after fine-tuning: 1.Camera can be moved around before and after and photography; 2.There is a scale, you can choose the exact distance PTZ easy to use, on the tripod can be, very stable Can move back and forth 10 cm, about 10 cm to move, to achieve a small range of the lens of the push and pull, horizontal shift effect, used to achieve the occasional characters in the King, close-up, close-up effect is very good Macroshot is important in the precision, subtle focus and elevation adjustment. So it is very convenient accessory of trimmer which can adjust in parallel parallel to front and rear. The use of PPS material, can be loaded in the structure of the camera and can accurately adjust the distance of the function, has been the support of many photographers, certainly. The use of PPS material to significantly reduce the weight. Driving part of the use of spiral moving gear, so close-up, remake and other close-up of the precise focus and range of fine adjustment can be more stable. Notice: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 0.2-0.3cm differs due to manual measurement . Package List: 1 x Macro Focusing Rail Slider