Micro Gear Clamp; Type Micro Gear; Minimum Diameter 5/16 Inch; Maximum Diameter 7/8 Inch; Screw/Bolt Type Slotted Hex Head Screw; Screw/Bolt Size 1/4 Inch; Material 300 Stainless Steel (Clamp), Zinc Plated Steel (Screw); Pressure Rating 1000 PSI; Screw Torque Rating 10 Pound