6R6L 12 String Acoustic Guitar Tuning Key Peg Tuner Machine Head String Tuner Button Two 6 in Line 

Features:
Universal plank machine heads that fit most 12 string guitars.
Durable, Reliable, and Easy to Tune.
6 Machine Head in a line.
Absolute high quality guaranteed Guitar Tuning Keys!
Six on a plank, the Guitar Tuning Pegs is great for guitar tuning.
Every set with 14 grain screws, 12 grains washers. 

Specifications: 
Color: Sliver & White
Material: ABS & Steel
Package size: 16 * 8 * 4cm / 6.3 * 3.1 * 1.6in
Package weight: 230g / 8.1oz