PART NO. STECKO SIZE DIMENSIONS LEFT RIGHT J K L M N 2Y-06-04 3/8" 1/4" 19.9 13.9 60 15.16 10.03 2Y-08-04 1/2" 1/4" 23.9 17.9 60 15.16 10.03 2Y-08-06 1/2" 3/8" 23.9 17.9 60 20.17 14.02 2Y-12-08 3/4" 1/2" 28.9 23.9 60 24.16 18.03 2Y-16-12 1" 3/4" 38.8 30.9 65 29.16 24.03 2Y-20-12 1.1/4" 3/4" 45.9 37.9 72 29.16 24.03 2Y-20-16 1.1/4" 1" 45.9 37.9 78 39.12 31.01