Check the listing for details. HTD3M Timing Blet Pulley 20 Teeth 7mm Bore 11mm Teeth Width For Stepper Motor. Condition: New. Listed at 3.88 USD. Blueprint A=22mm C=7mm D=23mm E=11mm G=M4*2 Description Specifications: •Tooth number: 20 •Tooth pitch: 3mm •Bore diameter: 7mm •Flange: double •Tooth width: 11mm •2PCS Setscrews: M4 (Heat processing make they more solid.) Package Included: 1* HTD3M Timing Pulley. 2* Setscrews. 1* Allen Key Shipping We ship your orders via Post Airmail within 1-5 business days after the payment cleared. 10-25 days to most countries via HK post airmail. USA buyer also can choose epacket service, 7-15 days to arrive you. Delivery time depends on destination, weather, customs and other factors, sometimes it will require a bit longer. If you don't receive the item after 25 days, please contact us, we'll investigate and solve the delivery problem. Payment Payment methods accepted : Paypal only. All major credit cards are accepted through our secure payment processor PayPal. Payment must be received within 7 business days of auction closing. We ship to paypal's address. Please make sure your paypal address is correct before you pay. Conact us ALL emails would be replied within one business day! We will try our best to save your problem ASAP. If there's any dissatisfaction, please contact us first so that we can help you. If there's any suggestion for our service, please contact us. We will much appreciate it and try to improve our service. Return Every item is checked carefully before shipping, buy with confidence! Refund or replacement request is available only requests within a week after parcel received &returning the item as the same condition as received. Please contact us before you return it, and pls include your eBay ID and brief description of defective problem in your return package. Who bear the return cost? This will depend on the reason you want to return. Feedback We will automatically leave positive feedback to every buyer to complete the transaction. We maintain high standards pursuit of 100% customer satisfaction! Feedback is very important to us. Good communication can solve all the problems, if you have any questions, please contact us, we will promptly solve the problems you are experiencing.