MADE IN USA SET OF 4 - Capture the classic look of ebony friction pegs and retain the effectiveness of a planetary geared peg. These wonderful pegs have a micro planetary gear system in the shaft with a 4:1 gear ratio. You can also adjust the peg tension by slightly pulling-out or pushing-in the button to decrease or increase the tension respectively. Set includes four standard pegs (two right-hand thread and two left-hand thread). Pegs are 2-3/16"long with an 8mm diameter. Professional installation is recommended. Anodized Coating- fitted with violin Reamer.