The C1248-E StripSpin 12 Mini Centrifuge from Benchmark Scientific is the only mini centrifuge designed for centrifugation of 12 position PCR strips. With a fixed speed that produces 2,000 xg, this centrifuge is perfect for quick spin downs. Simply close the lid and the unit quickly ramps up to 5500 rpm. Open the C 1248 E Stripspin 12's lid, and the rotor quickly decelerates for removal of samples.