Description:1.[Feature] – With an adjustable roller, it is sturdy and can be rotated. Compared with other roller buckles, our roller buckle can reduce the wear and friction of the belt, so that your belt can last longer and be in good condition.2.[Material] – Made of metal material with high hardness, no rust, wear resistance and corrosion resistance. With electroplating finish, it brings a protective layer, which can be used for a long time and is not easy to oxidize and fade.3.[Center Bar Buckles] – Total Size: 45mm x 32mm x 3.5mm/1.77″ x 1.26″ x 0.14″(L*W*T); Fit Belt Width: 24mm/0.94″; Color: Silver Tone; Package Included: 4Pcs x Metal Roller Buckles.4.[Function] – Use it as a connector or a shortener to help you adjusted the webbing or belt to the appropriate length and for easily tightening and un-tightening your leather craft.5.