Impulse sterling is the official supplier for the chinese national weight lifting team the impulse elite seated preacher curl is a great product with lots of benefits and great features as well as a warranty to back up all these the seated preacher curl will work your biceps and there is a diagram for any user that is unsure of the correct way to use this machine key features of the impulse elite seated preacher curl smooth motion from start to finish on any weight the ability to have a larg