Specifications: 25mm (1") die stock fits 17mm to 20mm capacity with one adjustable screw. Metric round die sizes include: M6x1 M7x1 M8x1 M8x1.25M10x1M10x1.25M10x1.5M12x1.25M12x1.5M12x1.75 Applications: For general purpose threading. Ideal for rethreading in hard materials like metal, or making new threads in soft materials like plastic. Ideal for maintenance and repair work. Features: Die stock provides good wear resistance and long service life. With 4 adjustable screws, the mold holder can hold round molds firmly. Round dies have tapered locking holes. Easy to use: The positioning groove of the mold should be aligned with the fastening screw in the middle of the mold wrench, insert the screw into the groove of the mold and tighten it. Reminder: Every 1/4~1/2 revolution needs to be reversed once to facilitate the discharge of chips from the chip discharge hole. Appropriate lubricating oil should be added to the cutting edge of the die when tapping.