They fit into grooves in the shaft for a snug fit
If you want to charge quickly
5A USB+Type-C: 5V-3A DUAL USB-A AND USB-C PORTS: You can charge Android and iOS devices device at the same time UDATON Broad Compatibility Compatible for Apple Watch 3 5 4 7 GPS SE;Compatible for iphone 13 pro
LAYEN BS-1 Bose Bluetooth Receiver 30 pin Adapter - Audio Dongle for Bose SoundDock (Not Suitable for Cars)
The valve body is made of brass for corrosion resistance
20 pcs 3/8" Barb x 1/2" NPT Male Connector, Plastic Hose Barb Fitting, Adapter, Industrial Hose Barb to Pipe Fittings Connect auspowers_batchfour They fit into grooves in20 pcs 3 8" Barb x 1 2" NPT Male Connector, Plastic Hose Barb Fitting, Adapter, Industrial Hose Barb to Pipe Fittings Connect The pipe fittings can be applied to water, gas, oil and fuel, especially for hoses. Made of premium polypropylene, used for connecting to various pipes; corrosion resistant. Specification: Material: Plastic PolypropyleneType: standard 3 8" Barb x 1 2" NPT MaleTemperature Range: From 4F to 248F; Max. Pressure: 100 PSIPackage