EC21 Product Catalogs - j31 http://www.ec21.com/ec-market/j31.html Straight Side One Point Presses (J31)http://countrypeace.en.ec21.com/Straight_Side_One_Point_Presses--3035194_3035303.html Features: J31 Series Straight Side One Point Presses are of general-purpose machines, can be used for punching, fo20081106 Closed Type Single Action Crank Presshttp://chinesehammers.en.ec21.com/Closed_Type_Single_Action_Crank--58075_2961729.htmlJ31-100 J31-125 JA31-160B JC31-250 JC31-315 Nominal force (KN) 1000 1250 1600 2500 3150 Slid20090818 Clutchhttp://julianaliu.en.ec21.com/Clutch--3557391_3557516.htmlJ31 250 251 22 30100-S0200 22200-PC2-000 5984927 055 141 032 G 30100-C7400 31250-14180 30100-S3100 22200-PC2-0120090519