DNG Cylinder Kits DNG standard, bore size: 32mm up to 320mm, other color is optional Bore Size: 32mm 40mm 50mm 63mm 80mm 100mm 125mm 160mm 200mm 320mm (other color is optional) ISO6431 SI Cylinder Kits FESTO DNC Pneumatic Cylinder Kits SC & SMC MBB Pneumatic Cylinder Kits MAL MA6432 DSNU Cylinder Kits