Features of Cleaver Blade for optical fiber blades made in China : 1,Can be rotated 24 positions; 2,Cutting life of each position is more than 36000 times; 3,The cutting angle is less than 0.5 degrees; Fiber cleaver blade cutter is one of the main components, mainly used for cutting fiber. Due to different production materials will be different from its life, blade normal life expectancy of up to 50,000 core, the average cutting angle ?0.5 . Shipping 1.If you need to buy in bulk, please contact, we will reply in 24 hours. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination. If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! THANK YOU :)