Product DescriptionDescription: The apertures of the positioning screws are 0.3-3mm respectively, which can be installed accordingly and assist in accurate hole opening. They are suitable for the center hole opening of glue sticks with a diameter of 1-4mm, and can be made with vertical and horizontal holes. 【Double-sided Borehole】: Double-sided precision drilling can be applied to both diameter-centered horizontal drilling and cross-sectional drilling. 【 Professionally Designed】: Depending on the different diameters of round bars, merely by moving and flipping the positioning module, you can alter the drill bit locating hole as required. And you can adjust how tightly the round bar is clamped by turning the compression screw. 【Solve The Positioning And Hole Opening Of The Glue Stick】: round rod perforating block, convenient for glue stick drill, accurate center positioning, suitable for use with a variety of diameter glue sticks, embedded positioning sleeves, thread locking, drill drill, say goodbye to the center deviation, convenient positioning and drill, making glue stick drill and accurate - 【Easy To Use】: Round rod center locator, small and light, flexible , easy glue stick drill Specification: - Material: Metal ,Ultra-light aluminum alloy material - Product Size: The positioning screw hole diameters are 0.3-3mm respectively, suitable for the center opening of glue sticks with diameters of 1-4mm Package Includes: 1 set of Round Rod Center Locator , package size:78*71*28m Note: Please allow the tolerance of the groove for the fixing component is ±0.1 - 0.2 mm.