Made to order in USA. Delivery 7-10 days. Available Speeds: 30,000 / 40,000 rpm Max. Power Hp (Watt): .4 (300) / .45 (340) Air Consumption: 5.5-21.5 / 6-21.5 cfm max. Requires clean, dry, oil-free, 90psi. AIR ONLY ER11 Collet Sizes: 1/4" standard, 7mm maximum TIR: <0.0002" (<5΅m) Sound Level: < 64 dBa Dimensions: Ψ 2.13" x 7.80"OL Integrated Tapered Toolholder - choose from: CAT40, BT30, BT40. Weight: 43.2 oz. Standard Equipment included in kits: Spindle Air Filter/Regulator Detachable Coolant Guard 1/4" ER11 Collet Wrenches Carrying Case Specify VMC manufacturer, toolholder taper and spindle speed below: