Manual Stacked Photography Slide Micrometer Head Micro Guide Macro Focusing Rail Slider SLR Tripod Rail Quick-Release Plate Specifications: Name: Manual Stacked Photography Slide Model: ISW-160 Top screw size: 1/4" Bottom screw size: 3/8" Screw adjustment range: 115MM Screw pitch: 1.25MM The running distance of each circle of the screw: 1.25MM Product size: 160x38x29MM Bearing weight: 10KG Product weight: 290G
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