Sydien 4Pcs 3mm Rigid Flange Shaft Coupling Motor Guide Shaft Coupler Connector Color:3mm and the LED indicator light

and the LED indicator light turns from red to green so you know when it’s ready to go

Easy to Use

just fix them on the cabinet door or box with screws

Widely Application Cotter pin and hair pin can hold for bolts and pins

90° Cutting angle

Sydien 4Pcs 3mm Rigid Flange Shaft Coupling Motor Guide Shaft Coupler Connector Color:3mm and the LED indicator lightSydien 4Pcs 3mm Rigid Flange Shaft Coupling Motor Guide Shaft Coupler Connector Product Features Product Name: Flange Shaft Coupling; Size: 3mm; Package Content: 4Pcs Flange Shaft Coupling & 1Pc Mini Hex Wrench & Some Fastening Screws. Inner Diameter: 3mm 0. 12''; Fastening Holes Size: M3; Fix Holes Size: M3. Cylinder Outer Diameter: 10mm 0. 39''; Cylinder Height: 10mm 0. 39''; Base Diameter: 22mm 0. 87''; Base Height: 2mm 0. 08''. HIGH QUALITY: Made