Characteristics 1. You can drill the power source into the engine jump starter. 2. Easy to use: just add it to your drill bit and turn it on on your portable device. 3. Wide Compatibility: Can be linked to string trimmers, lawn trimmers, leaf blowers and tillers. 【Specification】 Material: plastic, alloy Application: mowers, lawn mowers, leaf blowers and field cultivators. Size: about 12+26+10+18mm/0.47+1.02+0.39+0.71in Color: red and black 【Packing list】 1 * Lawn Mower Starter