Mikmar Original Legacy Bit with Antique Bronze ShanksThe 2. 5" Tear Drop style short shanks swivel allowing for a nice lateral feel, independent shoulder lift and good vertical flexion. Their swept back angle gives the bit a less abrupt action when pressure is applied. The mouthpiece is slightly curved and extremely comfortable. The port is flatter shaped and provides ample room for the tongue and the bars are rounded to the corners of the shank, so there is no pinching. It's made of Sweet Iron, a metal