Gotoh's SG381 range is their mid range line of tuners. They are made to usual Gotoh high quality, but at a more affordable price point than their premium 510 range. They are precision engineered in Gotoh's Japan factory using premium materials. Gotoh has established a reputation as one of the largest and most loved hardware manufacturers in the guitar industry for good reason.
The SG381 machine heads are designed for both 3 on either side of the headstock, and 6 left (in line). They have 1:16 turning ratios and come with the necessary mounting hardware. They are available with a number of different button options that can be selected from the drop down menu.
Dimensions can be found in the final product picture.