DC 12V 5RPM 8mmx14mm D-Shape Shaft Electric Power Turbo Worm Geared Motor Thin Type Air Cylinders Inner Diameter x Outer Diameter:

Inner Diameter x Outer Diameter: 35 x 42 mm

Air cylinder is a mechanical devices which utilize the power of compressed gas to produce a force in a reciprocating linear motion

Inner Diameter x Outer Diameter: 23 x 28 mm

an indicator

Can fill the redundant holes

DC 12V 5RPM 8mmx14mm D-Shape Shaft Electric Power Turbo Worm Geared Motor Thin Type Air Cylinders Inner Diameter x Outer Diameter:Application: bank equipment, safe box, paper feeder, intelligent gas meter, machine, accessory of automobile, ad equipment, analysis instrument, electronic game machine. Used in electrical appliances including remote control curtains, locks, paper shredders, copying machines, and safes Inner.