uxcell 4mm to 5mm Bore Rigid Coupling Set Screw L20XD12 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Red,2pcs auspowers_batchone Built-in soft blue backlighting for

Built-in soft blue backlighting for use at night or in dark areas

Comes in a padded case with adjustment wrench and calibration standards

Calibrated to within 0

It is lightweight

uxcell 4mm to 5mm Bore Rigid Coupling Set Screw L20XD12 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Red,2pcs auspowers_batchone Built-in soft blue backlighting foruxcell 4mm to 5mm Bore Rigid Coupling Set Screw L20XD12 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Red,2pcs Specification: 8 pcs screws designThread Size: M4Color: RedMaterial: Aluminum AlloyConnection Diameter: 4mm to 5mmTotal Length: 20mm 0. 78 inchOutside Diameter : 12mm 0. 47 inchThrough Angle: 180 Degree Package List: 2 Pcs x Rigid Shaft Coupler8 Pcs x M4 Screws Description: Made from aluminum alloy material to reduce inertiaRigid