ITEM NAME:2 Pairs Black String Tuning Pegs Machine Heads for Electric Bass 2L + 2R B5J2 2 Pairs Black String Tuning Pegs Machine Heads for Electric Bass 2L + 2R B5J2 Set of 4pcs tuning pegs With heavy duty internal gear Mounting screws, ferrules and threaded bushings are included Set of 2 pairs high quality machine heads (2L + 2R) are designed for electric bass The Thicker Column Diameter: Approx. 13.3mm The Thinner Colimn Diameter: Approx. 8.4mm Ferrules Inner Diameter: Approx. 14.1mm Ferrules Outer Diameter: Approx. 18.8mm Threaded Bushing Diameter: Approx. 12mm Zinc alloy material, colored in black Package Content: 4 x Machine heads 4 x Mounting screws 4 x Ferrules 4 x Threaded bushings Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.