DAIERTEK 10pcs Black Davies 1900h Clone Guitar Effect Pedal knob 1/4 Shaft Set Screw for Amplifier amp boss Volume Control

KN-1900H-S work great with 6.3mm shaft. This type knob is colorful plastic outlook with indicator lline on the top of the knob. Its with set screw to fix. Its easy to set on the guitar effect with screw. There are one kinds of shaft for this knob. Original 6.35mm knob with set screw beside the housing. Available color: red, green, yellow, blue, white, black, cream, purple, orange, brown, transparent. Many colors are available. Specifications: Package includes: 10pcs x Knob. Material: ABS Base Diameter:12.7mm Height:15.78mm Inner Diameter:12mm Operating Temperature:-25?~+85?