Sound Mekanix Terminal Cup TCS-4RSMTCS 4R Round Terminal Cup NOTHING on the market compares. All our products feature a SOLID HDPE STRUCTURE that is virtually indestructible, all Stainless Steel INDUSTRIAL studs and hardware. Standard features All Industrial Stainless studs and Hardware Black White Insert Milled from a solid piece of 1 2 HDPE (High Density Polyethylene) Ring terminal studs accept any size wire 7 Screws 9 12 ga Rings included SMTCS 4R