Manufacturer	Size	Torque	Price	Voltage
Hitec 5645		40.39 x 19.56 x 37.59	10kg/12kg	£32.00	4.8 - 6v
Hitec 7985		39.88 x 19.81 x 36.83	10kg/12kg	£55.00	4.8 - 6v
Hitec 7955		39.88 x 19.81 x 36.83	18kg/24kg	£62.50	4.8 - 6v
futaba 3050		39.88 x 19.81 x 36.83	72oz-90ozin	£0	4.8 - 6v
Savox 1256TG		40.3*20*37.2	20kg	£0	4.8 - 6v