A roomier belt or shoulder field case with a 6 3/4" x 9 1/2" x 1 1/8" book pouch and front panel pockets for one scale, 3 pencils, one Rapidograph, and additional scale (Model RG-FCXL) or acid bottle (Model RG-FCAL). Leather divider between book pouch and back cover provides space for additional flat items. Cover flap protects the front panel contents and buckles in place with an adjustable strap allowing variation in book length. Two 3" belt loops provided for secure carrying. Optional 3/4" wide shoulder strap available.