Usage Tip: For the strongest hold, thread the cord through both holes and pull firmly before releasing the button; this ensures the spring seats fully against the cordMaterial : PlasticSize : 2.3cmNotes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement. Secure Grip: Spring-loaded mechanism clamps cord firmly in place, holding tension through movement and pull without slipping or loosening Two-Cord Capacity: Dual-hole design lets you manage two cords at once, keeping drawstrings, laces, or cords neatly parallel and tangle-free Quick Release: Press the top button to release tension instantly—adjust length in seconds, release to lock securely Multi-Cord Compatibility: Fits a variety of cord thicknesses, from shoelaces to backpack drawstrings, paracord, and lightweight rope One-Hand Adjustment: The ergonomic shape allows you to adjust with a single hand—just press, slide, and release for a secure hold ASIN B0HCV871K2 Item Weight 1.32 pounds Manufacturer Superhao Item model number Superhao Product Dimensions 0.39 x 0.39 x 0.39 inches