Created with Blacksmithing:

Skill	Recipe	Components	Slot	Source
150	Iron Buckle	1x Iron Bar		Trainer

Used by: Blacksmithing:

Skill	Recipe	Components	Slot	Source
270	Blessed Plate Belt	x18 x6 18x Thorium Bar 1x Blue Sapphire 1x Iron Buckle 6x Rugged Leather	Waist	Recipe

Used by: Leatherworking:

Skill	Recipe	Components	Slot	Source
145	Guardian Belt	x2 x4 2x Cured Heavy Hide 4x Heavy Leather 1x Fine Thread 1x Iron Buckle	Waist	Recipe, Drop
160	Green Leather Belt	x5 1x Cured Heavy Hide 5x Heavy Leather 1x Fine Thread 1x Green Dye 1x Iron Buckle	Waist	Trainer
170	Guardian Belt	x2 x4 2x Cured Heavy Hide 4x Heavy Leather 1x Fine Thread 1x Iron Buckle		Recipe
175	Barbaric Belt	x6 x2 x2 6x Heavy Leather 2x Cured Heavy Hide 2x Coarse Gorilla Hair 1x Great Rage Potion 1x Silken Thread 1x Iron Buckle	Waist	Recipe, Drop
190	Barbaric Harness	x14 x2 14x Heavy Leather 2x Fine Thread 1x Iron Buckle	Chest	Trainer
195	Dusky Belt	x10 x2 x2 10x Heavy Leather 2x Bolt of Silk Cloth 2x Black Dye 1x Iron Buckle	Waist	Trainer

Used by: Tailoring:

Skill	Recipe	Components	Slot	Source
145	Spider Belt	x4 x2 4x Bolt of Silk Cloth 2x Thick Spider's Silk 1x Iron Buckle	Waist	Recipe, Drop
160	Earthen Silk Belt	x5 x4 x4 x2 5x Bolt of Silk Cloth 4x Elemental Earth 4x Heavy Leather 1x Iron Buckle 2x Silken Thread	Waist	Recipe, Drop
165	Star Belt	x4 x4 4x Bolt of Mageweave 4x Heavy Leather 1x Citrine 1x Iron Buckle 1x Silken Thread	Waist	Recipe, Drop
175	Azure Silk Belt	x4 x2 x2 4x Bolt of Silk Cloth 1x Elemental Water 2x Blue Dye 2x Fine Thread 1x Iron Buckle	Waist	Trainer
175	Crimson Silk Belt	x4 x2 4x Bolt of Silk Cloth 1x Iron Buckle 2x Red Dye 1x Silken Thread	Waist	Trainer
195	Earthen Silk Belt	x5 x4 x4 x2 5x Bolt of Silk Cloth 4x Elemental Earth 4x Heavy Leather 1x Iron Buckle 2x Silken Thread		Recipe
?	Crimson Silk Belt	x4 x2 4x Bolt of Silk Cloth 1x Iron Buckle 2x Red Dye 1x Silken Thread