100 scraps repair 1% of a mainhand weapon; thus 10,000 scraps are needed to repair the weapon at 0%. 50 scraps repair 1% of an off-hand weapon; thus 5,000 scraps are needed to repair the weapon at 0%. Alternatively, drygore weapons can be repaired for coins by Bob in Lumbridge or at the armour stand of a player-owned house. Comparing using chitin scraps to an armour stand for repairing drygore weaponry: the Smithing level at which the cost is equal is ; thus, using chitin is cheaper for level Smithing and lower, and using an armour stand is cheaper for level Smithing and higher.