EXCLUSIVE Otter Underlay Nail 25 x 2.5mm 2kg Galvanised SKU: 293250 MODEL: UFAG2525D Error. try again later You've successfully joined the club $ 59 pack or 4 interest free payments of $14.75 with More info × Mitre 10 Variants Suitable for outdoor use fixing fibre cement underlay sheeting. Features and benefits Flat head to avoid pull through in soft timbers. Annular shank provides friction to help prevent the nail backing out over time. Diamond point remains true when driven into timber.