4-Pack 20mm Diam. Set Screw Style Aluminium Potentiometer Knobs 1/4" Universal Pot Control Knobs with Indicator for Guitar/Bass/AMP Amplifier Black with Indicator Line music_update_2020 Colours may vary

Colours may vary

Portable and Compact Design | Universal Smartphone Digiscope Adapter Clip is Compatible with Most Smartphone Models Including iPhone

It has hard plastic

you can also macro large size before and after shooting adjustment

The four graduated scales include a 0

4-Pack 20mm Diam. Set Screw Style Aluminium Potentiometer Knobs 1/4" Universal Pot Control Knobs with Indicator for Guitar/Bass/AMP Amplifier Black with Indicator Line music_update_2020 Colours may vary4 Pack 20mm Diam. Set Screw Style Aluminium Potentiometer Knobs 1 4" Universal Pot Control Knobs with Indicator for Guitar Bass AMP Amplifier Black with Indicator Line 4 Pack 20mm Diam. Set Screw Style Aluminium Potentiometer Knobs 1 4" Universal Pot Control Knobs with Indicator for Guitar Bass AMP Amplifier Black with Indicator Line Product Features Dopro CNC machined universal 1 4" innder diameter knobs with set screw; Compatible with most solid