Check the listing for details. US Stock 4pcs 8 ohm 8 50W Watt Aluminum Housed Metal Case Wire Wound Resistors. Condition: New. Listed at 12.90 USD. US Stock 8 ohm 8 50W Watt Aluminum Housed Metal Case Wire Wound ResistorsA LOT OF 4 RESISTORS BUY MORE, SAVE MORE These resistors come with screw holes which can tighten the resistors against a chassis or heat sink for greater heat dissipation. These are widely used in Power supply, Transducer, Elevator, Arena audio and Equipment Industry. Specifications: Product NameAluminum ResistorResistance Value8 ohmPower Rating50WResistance Tolerance± 5% (J)Mounting Hole Dia0.03cm/0.011"Thread Size0.025cm/0.0098"Hole to Hole Distance3.8 x 1.9cm/2.75" x 0.75"Plate Size4.98 x 2.78 x 0.02cm/1.96" x 1.09" x 0.007" (L*W*H)Body Size4.98 x 1.48cm/ 1.96" x 0.58" (L*D)External MaterialAluminumColorGold ToneNet Weight23.4gPackage Content4 x Aluminum Resistors