How much does this cost to the nearest dollar?

DJI Part 70 1345T Propeller Installation Kit for Inspire 1 Quadcopter
Used to install the 1345T Quick Release Propellers onto the Inspire 1 Series, these components are optimally designed to minimize wear between the propeller and the propeller mount, extending the life of your propeller. OEM Inspire 1 part 69 Inspire 1 Series - 1345T Propeller Installation Kit Fits DJI Inspire 1 series & E800 OEM in original DJI Packaging Made by DJI Innovation- Sold by Authorized US Dealer Dimensions 14 x 2 x 1 inches, Weight 0.05 Pounds, model number Rank Toys & Games RC Vehicle Propellers 1175, Is Discontinued No, Available January 

Price is $49.00
Price: $49