12X 4.2mm Transparent Press-in Nocks

Nock type: press-in nock Material: PC Color: light blue/yellow/red/orange Nock length: 27.5mm Inner length: 15mm Unit weight: 0.35g Groove size: 2.5mm Nock outer diameter: 4.2mm Fit arrow shafts of inner diameter 4.2mm Nock replacement for carbon arrows and fiberglass arrows ...Nock type: press-in nock Material: PC Color: light blue/yellow/red/orange Nock length: 27.5mm Inner length: 15mm Unit weight: 0.35g Groove size: 2.5mm Nock outer diameter: 4.2mm Fit arrow shafts of inner diameter 4.2mm Nock replacement for carbon arrows and fiberglass arrows Please note that your shaft inner diameter msut be 4.2mm to match these nocks, while most arrows inner diameter is 6.2mm on the market.This package includes 12 nocks.