| Efficiency |
Samarium cobalt magnets for greater power or increased duration. |
| Value |
Economical price compared to brushless and competitive cobalt motors. |
| Easy Mounting |
Same mounting hole spacing as the equivalent size Mabuchi/ Speed motors; K400: 16 mm, K500: 25 mm. |
| Serviceable |
Silver graphite brushes, ball bearings and armatures are available as spare parts. |
| Durable |
K400 shaft size is 3.17 mm (1/8.) and K500 shaft size is 4 mm. Order No. 6455. |