description: 1. Rubber seal Application:for concrete pump clamps Size: 2"--8" Material:Rubber Features: most popular and economical 2. Polyurethane Rubber seal Application:for c oncrete pump clamps Size: 2"--8" Material:Polyurethane Features: More durable Work with us you can get: 1. Ensured products quality, before shipping we have strictly quality control, if any quality problem we will solve the problem first and give compensation. 2. Reasonable prices, we promise the same quality products we give the best price, same price we provide the best quality products. 3. Professional service, all our staff are very professional of both products and exporting, you will save much time to work with us and no need to worry about anything. Price Delivery Port : Tianjin Packaging & Delivery Packing :PP bagsDelivery Lead Time : 10 workdaysSupply Ability : 100,000pcs/month -