DMM 4 Cam Unit Device - Anodized One Color, #3.5 Axles: single Strength: 12 kN, 14 kN, (passive) 10 kN Range: (#0) 13 - 19 mm, (#.5) 17 - 24 mm, (#1) 19 - 29 mm, (#1.25) 21 - 33 mm, (#1.5) 23 - 35 mm, (#1.75) 25 - 41 mm, (#2) 29 - 44 mm, (#2.5) 33 - 55 mm, (#3) 43 - 66 mm, (#3.5) 51 - 82 mm, (#4) 64 - 100 mm Weight: (#0) 2.6 oz, (#.5) 2.8 oz, (#1) 3.2 oz, (#1.25) 3.3 oz, (#1.5) 3.4 oz, (#1.75) 3.5 oz, (#2) 3.8 oz, (#2.5) 4.3 oz, (#3) 5.3 oz, (#3.5) 6.5 oz, (#4) 7.9 oz Stem: dual