Rotating Kerrison Shaft, 7″ (175mm) Bayonet, 1mm, 90° Up, Stainless Steel – Requires 70-2390 Micro Handle is a precision spinal and neurosurgical instrument component designed for ultra-fine bone removal and decompression procedures. Featuring a rotating bayonet shaft, 1mm bite size, 90° upward-facing footplate, and premium surgical-grade stainless steel construction, this modular Kerrison shaft provides exceptional precision, superior visualization, and enhanced surgical access when paired with the compatible 70-2390 Micro Handle.