The basic materials named as raw materials should be of top-notch quality in order to maintain the quality of the finished goods. Thus, our experts source the raw materials only from the reliable vendors. As we want to maintain transparency in the business dealings, we offer an invoice stating all the necessary details of the payment and also ensure that the transactions should remain safe.Features : No effect of oil and grease on the washer Anti-freezing High shock absorption Chemical resistant Precisely designed Durable construction