The Bartels Bucket Handle prosthesis was specially designed with an adjustable diameter bucket to accommodate a small, medium or large sized incus. This feature greatly reduces hospital inventories. An additional feature is the stepped down shaft of the prosthesis. The Bartels is offered in 0.4mm, 0.5mm or 0.6mm diameter, with the shaft of each stepped down to 0.3mm. The stepped down shaft provides better clearance with an over-hanging facial nerve or promontory. The Bartels has a 1mm polished depth gauge to aid in determining depth into the vestibule.