128439 Blade Size: 12" Features: -Wet Cutting Continuous Rim Diamond Blade MK-215.-Supreme grade tile blades for fast, smooth, chip - free cutting of hard materials.-Excellent on dense floor materials.-Special arbors available upon request.-Stock arbors can be bushed to smaller sizes. Dimensions: -Item # 152553 - Diameter: 4", Width: .060", Arbor: 5/8", Weight: 1 lbs.-Item # 154973 - Diameter: 4-1/2", Width: .060", Arbor: 5/8", Weight: 1 lbs.-Item # 131763 - Diameter: 6", Width: .060", Arbor: 5/8", Weight: 1 lbs.-Item # 139311 - Diameter: 7", Width: .060", Arbor: 5/8", Weight: 1.05 lbs.-Item # 131631 - Diameter: 8", Width: .060", Arbor: 5/8", Weight: 1 lbs.-Item # 139329 - Diameter: 9", Width: .060", Arbor: 5/8" Weight: 1.17 lbs.-Item # 128074 - Diameter: 10", Width: .060", Arbor: 5/8", Weight: 2.25 lbs.-Item # 128439 - Diameter: 12", Width: .080", Arbor: 1", Weight: 2.44 lbs.-Item # 133967 - Diameter: 14", Width: .080", Arbor: 1", Weight: 1 lbs.-Rim height: 0.28" (7 mm).