Air/Hydraulic bottle jack capable of both air assisted or manual operation. Fitted with safety overload valve. All steel, one-piece extra thick base, reservoir and pump cylinder design gives added strength. Fully serviceable ram piston. Supplied with 90 rotating pump and 2-piece pump handle. Service kit readily available. DUAL CONTROL - Air/Hydraulic bottle jack capable of both air assisted or manual operation. SAFETY VALVE - Fitted with safety overload valve. EXTRA THICK BASE - All steel, one-piece base, reservoir and pump cylinder design gives added strength and stops distortion under load. CONVENIENT HANDLE - 2-Piece pump handle for easy storage. Allows use when an air supplier is unavailable. EASED POSTIONING - 90 Rotating pump .