The MTD R340830 is an original equipment manufacturer (OEM) blade holder designed specifically for MTD Rotaro 48S lawnmowers. This essential component ensures the secure attachment and proper rotation of the mower blade, maintaining optimal cutting performance. Featuring a 100 mm outer diameter, 51 mm height, and a 25 mm inner diameter for the shaft, it includes a 6 mm keyway and a 65 mm center distance for blade mounting holes, guaranteeing a perfect fit and reliable operation.