Product Name: Aluminum Housed Resistor Resistance Value: 16ohm & 30 Ohm Power Rating: 50W & 25W Resistance Tolerance: +/-5% (J) Body Size: 4.9 x 1.5cm/ 1.9 inch x 0.59 inch & 2.7 x 1.5cm / 1.1 inch x 0.6 inch (L x D) Mounted Hole Size: 1.8mm/ 0.07 inch, 3mm/ 0.12 inch Total Size: 7 x 2.1 x 1.5cm/ 2.75 inch x 0.83 inch x 0.59 inch & 5.2 x 2.8 x 1.5cm / 2 inch x 1.1 inch x 0.6 inch (L x W x T) Color: Green & Gold Casing Material: Aluminum Package Content: 4 x Aluminum Housed Wire Wound Resistors Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Widely used in power supply, transducer, elevator, audio and high requirement equipment industry. 4 pcs Aluminum Housed Wire Wound Resistors: 2 Pcs 50W 16 Ohm & 2 Pcs 25W 30 Ohm High insulating capacity, good performance in vibration. Multiple connection modes, easy to install. Aluminum housing for heat dissipation, suitable for cooling plate installation, can be used in atrocious environment. Small size, high power load, standard and non-inductive winding types.