??- Material: plastic + aluminum alloy<br />- Make it easy to drive with one hand<br />- Help you drive safely<br />- Ideal for truck drivers、 people with disabilities、 etc.<br /><br />                                                                                                                                Dimensions: 3.27 in x 2.36 in x 2.36 in (8.3 cm x 6.0 cm x 6.0 cm)<br />Weight: 7.16 oz (203 g)<br /><br />