Sizes Series 4000
4004 Bimetal thermometer

sizes in inch.     go to sizes in mm.
Sizes A B C D E F L1
2½" 2.52 0.35 2.36 0.28 0.24 0.47 1½, 2½, 4
3¼" 3.31 0.43 3.15 0.28 0.24 0.47
4" 4.09 0.43 3.86 0.28 0.24 0.47