King KNI 581 Radio Magnetic Indicator Installation Manual (006-0121-01) by King Sale $17.00 | / SKU 40528:R Printed Manual - $17.00 Download - $17.00 Printed Manual Download Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. KNI 581 Radio Magnetic Indicator 006-0121-01 Revision 1 - Dated August 1977