This is a common Gear Set Which Include 64pcs the most helpful gears. They can Meet your DIY needs. You have extra suggestions from my store! Axis Gear (10pcs): 80.8A 81A 81.5A 82A 92A 102A 122A 132A 142A 182A (81.5A means: eight tooth; Hole Diameter 1.5mm; A= Tight) Crown Gear (11pcs): C152A C203A C282A C282.5A C303A C322A C20082A C28082B C28102.5B C30102B C40102B (C30102B means: 30 External teeth; 10 Internal tooth; Hole Diameter 2mm; B= Loose) Single Layer Gear (12pcs): 202A 242A 242A 302A 303A 302.5A 322A 362A 402A 422A 482A 562A (Ditto) Double Layer Gear (19pcs): 16102B 18102A 20082B 20102B 22082A 22102B 24102B 24122B 26082B 28102B 30162A 32082B 34102B 38082B 40102B 46082A 48102B 50102A (Ditto) Belt Pulley Gear (8pcs): 122B 102B 62A 92A 132A 16.82A 242A 242B (Ditto) Worm (2pcs): W6*62A W6*82A Axle sleeve (1pcs): 3T-2A-2B Loose enamel (1pcs): S162A Material: Professional Engineering Plastics Payment: We accept all payment as below. Credit card, T/T bank, Moneybookers, debit card. If you've any question about payment,please feel free to contact us. If you have any issues of payment,you may perhaps get assist from this link. http://help.aliexpress.com/pay_order.html Shipping: We will deliver out parcels in 3days after price approved. We use international Economy Shipping, so we don't provide monitoring numbers. If you need a tracking number, you need to tell me, and pay a further $1.5. Please understand! Order placed on weekend or vacation will be shipped out on Monday or subsequent operating day. If it's out of stock,we want a little time to job and we are able to depart word or messages for that. We do not pay for the customs tax charged from native customs. Delivery time only for reference.It will be faster or slower sometimes.As it isn't very progressively shipping by China Post Air Mail.We will job each parcelss. The approximate transport time to diversified countries beneath is barely to your information only, which is estimated, no longer guaranteed. 1: USA: 10-39 operating days. 2: Russia: 12-55 working days. 3: Europe country: 10-55 operating days. 4: Other countries: 15-55 operating days. Shipping ways: We mainly use China Post Economy Air Mail to carry your parcel. Replacement/Exchange/Refund: Please verify the kit and goods intently after receiving.If any damaged,please tack photographs as proof first.Then you need to touch us for after sale service. Please kindly contact us first if ther is any issues of your order before opening dispute.Thanks on your realizing and support.We will remedy till making each customer convinced in a reasonable way. If you don't receive parcel inside guarantee time,please kindly anticipate extra time.Your parcel may be not on time via vast parcels for post,so they job slowly than normal. 1: We accept replace or replace within 14-30 days for faulty merchandise Or while you received the wrong item. Or we are able to refund your money back. 2: Buyers who buy a fallacious item should contact with us in time, however if the wrong item we despatched out and also you need us to remedy it, Then it is best to come up with the money for all the charges (includes original freight, dealing with expenses and the go back freight, etc.) 3: Unwished product returns can be charged a 15% restocking commission provided that merchandise is the same as the situation as which we despatched out. Buyer must pay for the delivery fee to send items back. Feedback: Your feedback is terribly very important for our store.So please contact us directly earlier than leaving unfavorable suggestions if there something make you are not convinced or angry.We will try to remedy situation until you are satisfied. If you're convinced with our store.Please depart a favorable feedback.And handy feedback for different customers. Item as describes:5 stars communication:5 stars Shipping Speed:5 stars