CST Pipe Lasers Home › CST/berger › CST Pipe Lasers We currently do not have any products for this manufacturer. Please check back soon for new products... If you would like to place an order over the phone please call 800-242-4424 for immediate assistance. Thank you. Exact leveling under extreme conditions - the electronic self-leveling pipe lasers meet any requirement. Exceptionally high accuracy, long range and robust design - made for the most demanding jobsite conditions.