A dual-phase lightsaber is a lightsaber variation with an adjustable blade length. Darth Vader’s lightsaber is a versatile dual-phase lightsaber, according to Star Wars canon.
The Jedi Temple Guard legacy lightsaber hilt is exclusively available at Dok-Ondar’s Den of Antiquities at Star Wars Galaxy’s Edge at Disneyland and Disney World.
Here are October 2019 lightsaber sales and discounts from various lightsaber companies, including Halloween sales and Fall sales. Please contact me with additions or corrections.