Only one piston is required for a stapedioplasty surgery as the lenght can be cut as per requirement. malleable enough to facilitate bending at the neck for malleus stapedioplasty. stable design provides maximum sound output. offers best possible length selection. easy loop introduction. low risk of osteo-necrosis. tita-ptfe piston can be easily cut due to ptfe shaft. tita piston is mri compatible. both pistons can be trimmed by using osseous cutter (ref : ei01)