Matched 37mm diameter black phenolic resin control knob with spun aluminium skirt and inlay. * Supplied with calibrated 1 to 10 indication * Depth 15mm * Grub screw fixing for 6.35mm (0.25in) spindles https://elecena.pl/product/27199132/sci-rn-114a-calibrated-control-knob-37mm 2024-11-09 https://elecena.pl/product/27199132/sci-rn-114a-calibrated-control-knob-37mm 2026-05-19 https://elecena.pl/product/27199132/sci-rn-114a-calibrated-control-knob-37mm 2026-06-11 https://elecena.pl/product/27199132/sci-rn-114a-calibrated-control-knob-37mm 2026-07-04