The Savox SC-0254MG is a high torque, metal-geared, digital, standard servo. A great replacement for standard, plastic-geared servos with less torque.
Features:

• Metal gear train ensures durability under harsh situations.
• Higher torque output than standard servos.
• Ideal for 30-60 size aircraft, and some car appliations.

Specifications:

• Torque @ 4.8v - 6.9kg/86.1oz-in
• Torque @ 6v - 7.2kg/100.0oz-in
• Speed @ 4.8v - 0.19 sec/60 deg
• Speed @ 6v - 0.14 sec/60 deg
• Dimensions L x W x H (mm): 40.7 x 19.6 x 39.4
• Weight: 49.0g