Faithfull 540 Builder's Line Ball 50m (164ft) White

540-Builder-s-Line-Ball-50m-164ft-White-Faithfull-540-p-Faithfull-extra-Heavy-weight-twisted-cotton-line-for-use-with-coloured-powdered-chalk-for-marking-between-two-points-to-give-a-straight-line-p-p-113g-Ball-4oz-1-4lb-p-p-Length-approx-50m-p-Faithfull-540-Builder-s-Line-Ball-50m-164ft-White

Price: 4.85 from Rapid Online Rapid Electronics Ltd.