SMC CM2 Z Series Air Cylinder, round body, Single Acting, CDM2B20 50SZ Torque Extension Bar Set Possible to attach magnetic field T Nut for Power Chuck Possible to attach magnetic field resistant auto switch in 3 directionsCompatible with D P3DW and D P4DW (CKG1)Supports D P79WSE and D P74L Z Size (mm) D (mm) m (mm) L (mm) Weight (G) 208 0019 24 43 15 165 400 208 0028 27 46 16 180 400 208 0037 30 52 17 190 500 208 0046 32 52 17 190 500 208 0055 34 52 17 190 500 208 0064 35 52 17 190 500 208 0073 36 58 18 205 500 208 1902 38 58 18 205 500 208 0082 40 58 18 205 500 208 0091 41 66 20 230 800 208 0107 42 66 20 230 800 208 0125 46 74 22 240 1000 208 0134 50 80 24 255 1100 208 0143 54 80 24 255 1100 208 0152 55 86 25 270 1500 208 0161 60 93 26 280 1800 208 0189 65 102 30 300 2200 208 0198 70 110 33 330 3300 208 0204 75 110 33 330 3300 208 0213 80 126 36 360 4500 208 0222 85 126 36 360 4500 208 0231 90 142 40 390 5500 208 0240 95 142 40 420 5300 208 0259 100 155 45 420 6500 208 0268 105 155 45 420 6500 208 0277 110 170 48 450 8000 208 0286 115 170 48 450 8000 208 0295 120 182 54 480 10000 208 0301 130 202 58 520 13200 208 0310 135 202 58 520 13000 Send the full model code and quantity and we will quote it Single Acting