Condition:100% Brand NewQuantity:1 pack( 200 PCS)Material : PlasticSize: As the picture showColour:As the image showConversion:1cm=0.39inch 1 pack of about two hundred plastic gears with random size and 0.5 modulus with random aperture, each pack is different, adding 0.8-3mm diameters, spindle gears, face gears, crown gears, worms, etc. various kinds of gear.Notice: 1. Due to the light and screen difference, the item's shade could also be barely diversified from the pictures. 2. Please enable 0.5-2 cm variations thanks to handbook measurement. 3. Thank you in your kindly understanding.