This is a replacement electrodes that will work on many of the Vermont Castings gas grill models but may also fit on many other manufacturers and models based on size and shape

The gas grill electrode will fit the gas grills listed below:

• GP450 Great Outdoor Barbecue Grill
• Jennair gas grill models JA460, JA461, JA461P
• Vermont Castings gas grill models CF9050, CF9056, VCS3006, VCS3506, VCS4106, VCS5006BI, VM448, VM456, CF9055-3A, CF9055-3B, VC30, VCS3000, VCS3505, VCS3505BI, VCS3507, VCS3507BI, VCS3517, VCS4005, VCS6005, VCS6006, VM400, VM406, VM450, VM45055P, VM450SSP, VM400XBP

The sizes are determined by the length of the wire off the electrode.
These are OEM parts

Part # 50000523 has been replaced by part # 91D0108 and part # 91D0107