The Airtronics 94162Z offers a unique combination of high power (144 oz/in torque) and affordability in a servo that is a standard size (just simply a little bit taller to handle the bigger motor), You will not find a more affordable standard servo with this much torque! Again, Airtronics offers a best-of-class servo at a price that is simply unbeatable, Airtronics servos feature custom I, C, "s, Surface Mount Technology (SMT) construction, and splined output shafts for easier control surface adjustments, Molded neoprene vibration isolators and injection-molded servo cases ensure superior strength and long lasting durability, Airtronics Blue Z-Plugs are compatible with most standard systems today including Futaba, Hitec, and JR, Dimensions: 1, 54"" x 0, 79"" x 1, 61"", Torque: 115 / 144 Oz In @ 4, 8 / 6, 0 V, Speed: 0, 23 / 0, 18 sec @ 4, 8 / 6, 0 V, Std 3 Pole Motor, Metal Gears (1 nylon for smoother operation) with 1 Ball Bearing on the output shaft, SKU: RCHOB0033