Servo	Size	Speed	Torque	Weight	Motor	Bearing
331 Micro	.50 x 1.12 x 1.17	.24	42.2	.63	3-Pole Ferrite	None
341 Micro	.50 x 1.12 x 1.17	.24	31.9	.63	5-Pole Ferrite	None
351 Micro Metal Gear	.50 x 1.12 x 1.17	.25	31.9	.88	5-Pole Ferrite	None
321 Mini	.58 x 1.30 x 1.02	.23	29.2	.77	5-Pole Ferrite	Single
Z550 Premium Race Servo	.58 x 1.30 x 1.02	.17	62	1.5	3-Pole Ferrite	Single
3121 Mini High Speed	.58 x 1.30 x 1.02	.22	46.4	.84	Coreless	Dual
3321 Wing	.58 x 1.30 x 1.30	.24	59.8	.95	Coreless	Dual
911 Mid-Size Low Profile	.71 x 1.54 x 1.03	.27	43.1	1.13	5-Pole Ferrite	Dual
507	.73 x 1.52 x 1.32	.25	40.3	1.47	3-Pole Ferrite	None
Z250 Race Servo	.73 x 1.52 x 1.32	.19	49	1.47	3-Pole Ferrite	Bushing
517	.73 x 1.52 x 1.32	.25	40.3	1.58	3-Pole Ferrite	Single
531 Sport	.73 x 1.52 x 1.32	.23	51	1.5	5-Pole Ferrite	Single
Z3550 Mini Race	.73 x 1.52 x 1.32	.11	38	2	Coreless	Dual
Z27 50 Super Race Servo	.73 x 1.52 x 1.29	.09	61	2	Coreless	Dual
4131 Ultra-Precision	.73 x 1.52 x 1.32	.23	90.4	1.5	Coreless	Dual
Z47 50 Ultra Race Servo	.73 x 1.52 x 1.32	.12	96	1.72	Coreless	Dual
4753 Ultra-Speed	.73 x 1.52 x 1.32	.15	90	1.72	Coreless	Dual
4721 Ultra-Torque	.73 x 1.52 x 1.32	.22	119.6	1.72	Coreless	Dual
2721 Ultra-Torque Alloy	.73 x 1.52 x 1.32	.18	116	1.84	Coreless	Dual
2700G High-Speed Super Servo	.73 x 1.52 x 1.32	.11	60	2	Coreless	Dual
4000 Super Servo	.73 x 1.52 x 1.32	.19	73.6	1.76	Coreless	Dual
Z8450 Digital Race Servo	.73 x 1.52 x 1.32	.08	98	1.92	Coreless	Dual
9011 Mid Size	.75 x 1.04 x 1.42	.21	60.6	1.31	Coreless	Dual
8101 Ultra-Precision	.75 x 1.54 x 1.36	.23	90.4	1.73	Coreless	Dual
DS8417 Ultra-Speed Digital	.75 x 1.54 x 1.36	.10	80	2.03	Coreless	Dual
8231 Ultra-Precision Digital	.75 x 1.54 x 1.36	.22	88	1.73	Coreless	Dual
DS8411 Ultra-Torque Digital	.75 x 1.54 x 1.36	.18	155	2.03	Coreless	Dual
7005 Low-Profile High-Speed	.88 x 1.73 x .93	.16	62.6	1.31	Coreless	Dual
605 Ultra-Torque Monster FET	1.26 x 2.50 x 2.30	.28	139.1	4.75	Cored	Dual