The Zacoo Macht is a small size, easy to carry shock pump. The pump's Aluminium construct is compact and aesthetically appealing. The easy-to-read analogy pressure gauge and pressure bleed button allows precise air pressure. Designed to drive larger volumes of air and increase efficiency, Air-Lock valve adaptor is designed to prevent air loss when disconnecting the valve from the shock. Easy-to-read analogy pressure gauge and pressure bleed button allows for precise adjustments. Air-Lock valve adaptor offers easy one step connecting and disconnecting. Dimensions: 9.4 x 0.9 x 1.1" (24 x 2.5 x 3cm) Gauge size: 1". Material: Aluminium.