154249 Blade Size: 4" Features: -Dry Cutting Segmented Rim Blades MK-799D.-Premium grade, general purpose, high speed blades.-Laser welded. Dimensions: -Item # 154249 - Diameter: 4", Width: .080", Arbor: 20mm - 5/8", Weight: 1 lbs.-Item # 154250 - Diameter: 7", Width: .090", Arbor: DM-5/8", Weight: 1.15 lbs.-Item # 154350 - Diameter: 8", Width: .090", Arbor: DM-5/8", Weight: 1.19 lbs.-Item # 152204 - Diameter: 12", Width: .110", Arbor: 1", Weight: 3.8 lbs.-Item # 152204Z - Diameter: 12", Width: .110", Arbor: 20mm, Weight: 2.14 lbs.-Item # 156245 - Diameter: 12", Width: .125", Arbor: 1", Weight: 3.1 lbs.-Item # 156245Z - Diameter: 12", Width: .125", Arbor: 20mm, Weight: 3.1 lbs.-Item # 152205 - Diameter: 14", Width: .110", Arbor: 1", Weight: 4.7 lbs.-Item # 152205Z - Diameter: 14", Width: .110", Arbor: 20mm, Weight: 3.65 lbs.-Item # 156246 - Diameter: 14", Width: .125", Arbor: 1", Weight: 5.15 lbs.-Item # 156246Z - Diameter: 14", Width: .125", Arbor: 20mm, Weight: 3.12 lbs.-Item # 158939 - Diameter: 16", Width: .125", Arbor: 1", Weight: 3.12 lbs.-Item # 158939Z - Diameter: 16", Width: .125", Arbor: 20mm, Weight: 3.12 lbs.-Item # 152740 - Diameter: 20", Width: .142", Arbor: 1", Weight: 10.13 lbs.-Rim height: 0.39".