Gotoh SG381 6 in line Tuners Schaller Style Button Chrome tuning machines (C)These are modern sealed gear tuning machines for a six in line guitar, like a Strat, Tele, Ibanez RG and similar. The Screw tab is at a 45 degree angle from the machine, to match guitars already equipped with similar. This is a budget line of tuners from Gotoh, with a 1: 16 gear ratio. We choose to carry Gotoh for their high quality and reasonable price at any price tier. FOr comparable machines from other brands, you might pay much more.