Features: Model: Square Skeleton. Features: good toughness, not easy to break, durable. Adopt environmentally friendly abs materials,it can be used for long for time. It is often used in speaker frequency dividers, etc. The abs material is the hardest, and it is resistant to high temperature; Specifications: Material:ABS Color:White Option Type:Type A;Type B;Type C;Type D;Type E;Type F;Type G;Type H; Type A Size:Approx.42x16x17mm/1.65x0.63x0.67in Type B Size:Approx.58x22.5x24mm/2.28x8.86x9.45in Type C Size:Approx.14x20x24mm/0.55x0.79x0.94in Type D Size:Approx.43x19x25mm/1.69x0.75x0.98in Type E Size:Approx.43x19x22mm/1.69x0.75x0.98in Type F Size:Approx.59x27x32mm/2.32x1.06x1.26in Type G Size:Approx.58x27x31mm/2.28x1.06x1.22in Type H Size:Approx.81x38x42mm/3.19x1.5x1.65in Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 10x Square Bobbin Wire Coil Frames