Home Amazon Goldbox deals Amazon: Gibson Gear PRKH-030 top hat knobs (4) / amber Amazon Goldbox deals Amazon: Gibson Gear PRKH-030 top hat knobs (4) / amber By ARCOM - 24 February 2017 293 0 SHARE Facebook Twitter Amazon Goldbox Deal: List Price: $19.06 Deal Price: $12.99 You Save: $1.84 (12%) Gibson Gear PRKH-030 knobs amber Expires Mar 9, 2017