Carbon Express Nock/Loop Plier Red. Features heavy-duty large grip for increased comfort. Specifications for Carbon Express Nock/Loop Plier: Manufacturer: Carbon Express Color: Red Features of Carbon Express Nock/Loop Plier: 1 per pack opens nock sets without damage two hole size for nockset installation pre-stretches D-loop permanently tightens D-loop to string Package Contents: Carbon Express Nock/Loop Plier Carbon Express 58004: Nock/Loop Plier Red