The two best-selling Multi-Tools currently are the D Shaped Carabiner Set of 2 (Green), M8 Stainless Steel 304 Snap Quick Hook Carabiner Set of 2 Silver and Zhouda Aluminum Carabiner Set of 5 intl. The most popular Multi-Tools are from Black Diamond, DHS and Blue lans. Multi-Tools from these brands usually cost about S$ 3.00 to S$ 66.00. Depending on your needs, you can get Binoculars, Headlamps and Trekking Poles. Most Multi-Tools used today are in Silver, Green and Blue. Up to 71% discounts on Multi-Tools can be found only on iprice.