Bucket Truck, Crane Truck, Boom Truck Danger Safety Decals. Includes 15 Decals. Includes Duplicate Warning Stickers For Upper & Lower Control Stations. Measurements: Electrical Hazard: 13" Wide x 5" Tall Outriggers: 4" Wide x 5" Tall Serious Injury: 4" Wide x 5.5" Tall Qualified Personal: 4" Wide x 5.5" Tall Fall Hazard: 5" Wide x 3.25" Tall Electrical Hazard2: 4.5" Wide x 7.75" Tall