The length and weight of the #115's are perfect for 12-string pedal steels.
Weight: ~7.0 oz (~230 g)
Diameter: 1.0" (25.4 mm)
Length: ~3.7" (~94 mm)
Folks love the #114's for 10-string pedal steels and lap steel.
Weight: ~6.0 oz (~200 g)
Diameter: 1.0" (25.4 mm)
Length: ~3.15" (~80.0 mm)