3 roll variable geometry plate rolls. aplg - gantry drilling and oxy-fuel/plasma cutting machine. new products. ahs x10/12 4 roll plate rolls. apk 105 angle rolls. lr 800 lifting rotator. application area. steel construction. electrical power erection. shipyards..4 roll plate roller are more precise, productive, versatile, faster, safer and easier to operate than three roll machines. they are less dependent on operator competence. they are ideal for bending plates up to 100mm thick. w12-25 4 roll plate roller. the fastest and most accurate bends are made by four roll.