1.Self-produced and self-sold, quality assurance 2.Overseas warehouse delivery, timely delivery 3.If you have any doubts during shopping, we will answer you anytime, anywhere 4.We also have other Linear Rail Set and Ball Screw Set in my store ,if you also need it ,I will give you some discount when you buy more ,thank you~ CompleteSliding Unit Cylindrical guide composed of principal rail and aluminum support, stabilizing the original rail. Premier quality bearing blocks moves smoothly while using. Power Saving: Excellent overall performance, considering it saves power. Meanwhile, it yields higher mechanical efficiency than traditional Acme alternatives. Mute Operation: The CNC linear rail kit bears very little sliding friction between the nut and screw. High Quality: this product is made of high-quality steel, which stands up to wear and tear, and can meet high load capacity requirements. Easy To Assemble Aluminum material support rail with pre-drilled holes for ease of mounting. Accuracy Grade C7: with bearing fits less than 0.03 mm so that the actuator rod doesn’t wiggle so much when operating. Details size ： 300mm=11.8 (inch) 400mm=15.7(inch) 500mm=19.8(inch) 600mm=23.6(inch) 700mm=27.5(inch) 800mm=31.49(inch) 1000mm=39.37(inch) 1200mm=47.24(inch) 1500mm=59.05(inch) 2000mm=78.74(inch) Spezifikation: Typ:BallScrew Condition: 100% Brand New Feature: Smooth Movement Modell:SFU1605/2005/1204/SFU1610 Color: Silver Diameter: 16mm/20mm/12mm/10mm Material: Metal Length:250mm-1500mm Package include： 1 x Ballscrew End Machining; 1 x Ballnuts 1.We only accept payment via Paypal. please pay for your item within 5 days after the auction ended. 2.Keep in mind that PayPal E-Checks will take 3-14 business day to clear . Once your E-Checks clears, your item will be dispatched to you within 1 working day. Payment Shipping Returns Contact Us ★We accept Paypal payment only. ★We will leave a positive feedback immediately after payment is received. We appreciate a positive feedback as much as you do. ★If for some reason there is any issue with the purchase, please contact us prior to leaving feedback, we will be glad to work together and provide a satisfying solution. ★We accept Paypal payment only. ★We will leave a positive feedback immediately after payment is received. We appreciate a positive feedback as much as you do. ★If for some reason there is any issue with the purchase, please contact us prior to leaving feedback, we will be glad to work together and provide a satisfying solution. ★We accept Paypal payment only. ★We will leave a positive feedback immediately after payment is received. We appreciate a positive feedback as much as you do. ★If for some reason there is any issue with the purchase, please contact us prior to leaving feedback, we will be glad to work together and provide a satisfying solution. ★We accept Paypal payment only. ★We will leave a positive feedback immediately after payment is received. We appreciate a positive feedback as much as you do. ★If for some reason there is any issue with the purchase, please contact us prior to leaving feedback, we will be glad to work together and provide a satisfying solution. ★We accept Paypal payment only. ★We will leave a positive feedback immediately after payment is received. We appreciate a positive feedback as much as you do. ★If for some reason there is any issue with the purchase, please contact us prior to leaving feedback, we will be glad to work together and provide a satisfying solution. ★We accept eBayPayment only. ★We will leave a positive feedback immediately after payment is received. We appreciate a positive feedback as much as you do. ★If for some reason there is any issue with the purchase, please contact us prior to leaving feedback, we will be glad to work together and provide a satisfying solution. ★Package handling only takes 2business day at our Us warehouse, so please make sure entering correct payment and shipping information before checking out. ★All items will be shipped to buy’s PayPal address. Please check your PayPal address is right. ★We are not responsible for wrong or undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address. ★ It is our goal to provide our customer 100% satisfaction. ★30 Days Money Back Guarantee and Full 5 Year Limited Warranty from the date of original purchase. ★ Product should be returned with original packages and must be returned in like-new condition with all accessories and packaging. ★We have always been trying our best to provide the best service and reliable products for every customer. Please contact us via eBay message or email to resolve the issue before leaving negative feedback.