[Perfectly Compatible]: The upgraded motorcycle helmet quick buckle kit fits up to 1 inch chinstrap and is compatible with half helmets, 3/4 helmets, open face helmets, and full face helmets. It serves as a suitable replacement for double ring and snap closures. Ideal for motorcycle riders and sports enthusiasts. [Super Quick Release Helmet]: This helmet buckle replacement kit allows for one-second release, featuring an innovative design for users who frequently remove their helmet during daily use or find traditional fastening methods cumbersome. Provides a convenient and efficient solution. [Easily On/Off Helmet with Gloves On]: The included pull cord enables quick unlocking of the ratchet mechanism even when wearing gloves. The cord is adjustable to preferred angles, stays secure against wind movement, and offers precise control for improved convenience and time savings. [Widened Strap Buckle Metal Slot]: The metal slot features a parallelogram design, with a thickened and widened connection area for enhanced durability under high tensile force without deformation. Easily attaches to existing helmet chinstraps without requiring removal of original snaps or straps. Color: Black Material: Metal Size: Bandwidth: 25mm Package Contents: 1 set x Helmet Quick Release Buckle Note: Light reflection and different displays may cause slight variations in color compared to the actual item. Measurement error allowance is +/- 1-3cm.