Check the listing for details. 32Pcs Roller Buckle, 1/2"(12mm)Tri-Glides Slide Buckles, Silver, 25mm. Condition: New. Listed at 15.05 USD. Description:Material - Tri-glides slide buckle is made of zinc alloy, and the sturdy material ensures the strap adjuster has a strong load-bearing capacity and is not easy to break or damage, wear-resistant, and can be used for a long time.Design - The sliding strap adjuster features a central movable bar that allows you to make the webbing and strap adjustable, preventing the strap and webbing from being too long or too short. The slide buckle is available in many colors to match your needs.Easy to Use - The adjustable webbing sliders are easy to use. First, sew the slider to one end of the strap, then loop the connector onto the strap, feed the strap through the slider buckle, and finally sew another slider to the remaining end of the strap.