High performance coil nails from Tacwise. Shaft of the nail has inset rings to assist with the holding power of the nail. These coils have a flat collation and can be used in most coil nailers handling 2.3 diameter nails. These coil nails have a bright, untreated finish (no coating). Also suitable for the Tacwise GCN57P, FCN57V, HCN65P, GCN70V coil nailers. Fits Bostich, Makita (INC AN613) and other coil nailers taking up to 50mm nails