OBO Bettermann - DRLBKS20ALU referenced product produced by high technology. DRLBKS20ALU became irreplaceable of foundations. DRLBKS20ALU referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. DRLBKS20ALU referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.