Magnavon 3478-38-28, and 3479-44-28. The product is a set of right and left offset pancake drill attachments specifically designed for aviation drilling tasks. 1/4" 28 threads size, These refurbushed attachments are ideal for aviation metalworking, offering precision and efficiency in drilling operations. These drill attachments ensure accurate and reliable results in drilling tasks. I disassembled , inspected, and lubed both units. They will provide you years of service, and work as they should.

R/H, And L/H Offset Pancake Drill Attachments. 1/4" 28T (Seller Refurbished)