About Seller: Our team of engineers is here to assist you in selecting the most suitable product on your initial purchase, and we provide lifetime technical support to ensure your satisfaction. Please contact us at 1-800-884-4967 for assistance. We offer a wide selection of over 100 top brands in instrumentation. If you come across a lower price elsewhere, we are happy to match it. Additionally, most orders over $100 are eligible for free shipping, while orders under $100 will incur a $5 shipping fee.