uxcell 5mm to 6mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue,2pcs auspowers_batchfive Thread Length:2" Overall Length:4-1/4"

Thread Length:2" Overall Length:4-1/4"

The kit includes a PINPOINT pH Probe

You don't need to worry about the headset quality

Clear double sided acrylic tape

uxcell 5mm to 6mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue,2pcs auspowers_batchfive Thread Length:2" Overall Length:4-1/4"uxcell 5mm to 6mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue,2pcs Specification: 8 pcs screws designThread Size: M4Color: BlueMaterial: Aluminum AlloyConnection Diameter: 5mm to 6mmTotal Length: 25mm 0. 98 inchOutside Diameter : 14mm 0. 55 inchThrough Angle: 180 Degree Package List: 2 Pcs x Rigid Shaft Coupler8 Pcs x M4 ScrewsDescription: Made from aluminum alloy material to reduce inertiaRigid