70512  - MTH. This horn is available in both 1/25 - 1/24 Scale and 1/16 Scale. 1/25 - 1/24 Scale mesurments 31 mm long 9.26 mm Wide. 1/16 Scale 46 mm Long 14 mm Wide All measurements are +/- 1.00 mm approximately. When you select custom order, please email required dimensions to threedconcepts@yahoo.com and include your order number.