Description: 【Adjustable Design】: Features a screw mechanism to easily adjust the opening size, accommodating various zipper sizes for versatile use 【Double Head Functionality】: Featuring double head design, this Zipper Jig Tool is great for threading zipper heads efficiently, making it an essential addition to your sewing tool kit 【Stainless Steel Construction】: Made from stainless steel, this tool is rustproof and wear resistant, offering strength and durability for long term use 【Wide Application】: Suitable for both installing and repairing zippers on clothing and other sewing projects, suitable for metal zippers as well as other types 【Easy To Use】: Designed with a sturdy clamping mechanism that ensures accurate zipper installation while improving work efficiency and ease of use Specification: Material: Stainless Steel Package Includes: 1 Zipper Jig Tool Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.