uxcell Pinion Gear Set, Brass Motor Rack Straight Spur Gear with Step, 0.5 Mod 40T 6mm Bore 21mm Outer Dia, M3 Set Screws Included industrial Auto Power-off for Teaching School

Auto Power-off for Teaching School Lab Mechanical Physics (ZMF-500N)

Don't worry about finding an interface in the evening

specially for inspecting those tiny parts

You can put it on the off-road vehicle and not worrying about the bumpy road will damage the fish finder or other devices

Model or Guide Motor (5-6RPM)

uxcell Pinion Gear Set, Brass Motor Rack Straight Spur Gear with Step, 0.5 Mod 40T 6mm Bore 21mm Outer Dia, M3 Set Screws Included industrial Auto Power-off for Teaching Schooluxcell Pinion Gear Set, Brass Motor Rack Straight Spur Gear with Step, 0. 5 Mod 40T 6mm Bore 21mm Outer Dia, M3 Set Screws Included Product Features Pinion Gear: Model: 0. 5 Mod; Teeth: 40T; Bore Size (Shaft Dia.): 6mm 0. 24"; Outer Dia. (Teeth Part): 21mm 0. 83"; Effective Teeth Length: 5mm 0. 2"; Step Size: 18mm x 5mm 0. 71" x 0. 2" (D*H) Brass Parts: The brass pinion gear has strong wear resistance, high strength, high hardness and chemical