... 3. High quality material, good production experience 4. Design screw and barrel specifications:45/90,45/100,50/105,51/105,55 ... ,58/124,60/125,65/120,65/132,68/143,70/140,75/150,80/143,80/156,92/188The above are ... will make it have better using effectiveness. We can supply screw and barrel for Krauss Maffei ,ShangHai JwellL,CINCINNATI, HaiTian,weber and ...