- Simple and novel design<br />- Easy to use<br />- Protractor for R/C Helicopters/Planes<br /><br />                                                                                                                                Dimensions: 4.25 in x 2.36 in x 0.39 in (10.8 cm x 6.0 cm x 1.0 cm)<br />Weight: 1.09 oz (31 g)<br /><br />