Heavy Gauge Steel Basket with Industrial Texture Painting. Heavy Duty, Rugged Industrial Textured Cast Aluminum Basket. High Energy Double Stack 120oz Strontium Ferrite Magnets. High Temp Aluminum 2.5 Voice Coil Former with Kevlar Spunlace. Kevlar Fiber Reinforced Non-Pressed Paper Cone with Industrial Textured Finish.Red Stitched Edge to the Cone's Edge for Added Strength. Over Sized Mirror Image Dual Poly / Nomex Spiders. Black Anodized One Piece Pole-Plate for Added Motor Force. Heavy Duty Direct Input Wires Connection to Voice Coils. Reinforced Fiberglass Woven Dust cap for High Power Applications. Custom Tooled Rubber Gasket and Magnet Boot. Recommended Ported Box: 0.79 - 1.24 Cubic Feet. Please feel free to send us a message if you have any questions about this item or other items for sale! Transit time could take longer during busy holiday seasons.