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 PUSHPIN SIZEThe size of classroom

PUSHPIN SIZEThe size of classroom magnets is 0

1/4 Inch SHANKfor most rotary tools and grinders

WARRANTY: We provide 2-year warranty and 24-hour frendly customer service

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you will not receive insufficient quantity after purchase

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 PUSHPIN SIZEThe size of classroomuxcell 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