This information has been provided by players posting on forums.uo.com,
With thanks to: Arroth_Thaiel, Khan, PlayerSkillFTW and WornOutYourTool
100% Elemental Damage
Reforging menu selection: Powerful + Quality for all material types
Metal Weapons (Smith or Tinker)
Runic Hammer – Dull Copper or Shadow.
Dull copper runic hammers can be used for fire, cold and energy, these can be raised to 100% by enhancing provided fire is 60% or above, cold is 70% or above, energy is 80% or above. Bronze ingots for fire, agapite ingots for cold, copper ingots for energy. Enhance while holding a +60 Ancient Smith hammer for smith weapons. Remember that tinkered items, although reforged with a hammer, will need to be enhanced using a tinker kit.
Shadow runic hammers should be used for Poison which can not be raised by enhancing and therefore must be achieved by reforging alone.
Wooden Weapons (Carpenter or Fletcher)
Runic Dovetail Saw or Fletching kit – Oak
Stone Weapons
Runic Mallet & Chisel – Shadow
100% mana leech
Reforging menu selection: Powerful + Vampire
Metal Weapons (Smith or Tinker)
Runic Hammer – Copper
Achieving this property is also governed by the basic swing speed of the weapon type
HCI+5, or DCI+5
Reforging menu selection: Powerful + Slaughter for all material types
Smith Armor
Runic Hammer – Shadow
Tailor Armor
Runic Sewing Kit – Spined
Stone Armor
Runic Mallet & Chisel – Shadow
150 Luck
Reforging menu selection for metal and wood items: powerful + fortune
Smith Armor
Runic Hammer – Copper/Bronze
Enhance with gold ingots
Wooden Shield
Runic Dovetail Saw – Ash
Enhance with Bloodwood boards
Reforging menu selection for leather and cloth items: fortune alone. NOT powerful
Tailor Armor
Runic Sewing Kit – Horned
Enhance with Spined Leather.