PART NO. STECKO SIZE DIMENSIONS LEFT RIGHT A B J K M N S1 2Y4-04 1/4" 1/4" 34.5 32.8 14.9 9.9 15.16 10.03 16 2Y4-06 3/8" 3/8" 36.5 35.3 19.9 13.9 20.17 14.02 22 2Y4-08 1/2" 1/2" 37.5 37 23.9 17.9 24.16 18.03 27