The MT2 Striker is used with an "F" or E/lF" Coupler. The Striker incorporates the front draft lugs of the draft pocket. The casting is designed to withstand 900,000 Ibs. of draft loading and 1, 250,000 Ibs. of buff loading, when welded according to McConway & Torley's welding procedure. The MT-15 and MT-151 strikers are used with "E" couplers. The MT-15 striker has machined draft lugs. The MT-151 has machined draft lugs with machined weld chamfers on each draft lug for additional strength.