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If there is no professional measuring tool
50 Pcs x Angle Bracket with Cover
Built-in basic switch with double spring mechanism
10ML Tube Rack Test Tube Holder 6 Wells for 14-17mm Tubes
18" (L*W*H)
Double Shaft Worm Gear Motor DC 12V 20RPM High Torque Speed Reduction Motor DC Motors If there is no professionalThis type is miniature Worm Gear DC Motor, which can change shaft rotation direction while the wiring positive andnegative be changed. It is also have addition two characteristics: 1 With self locking, the output shaft can not rotation when switch off, that is self locking. 2 Gearbox output shaft and motor shaft are come to be a rectangle, it is widely used in various of occasions that require special installation size. Specification: Rated Voltage:
