Double rows wool combs for fine or medium wool fiber. Wool carders with steel nails, edges coated with copper to prevent rusting and featured with wood holder that can be attached to table. Its great for dehairing and fiber combing. After combing, the fiber can be pulled into a sliver or spun straight from the combs with help of wool diz. Combs measurements: 2 leather covers 7.5" total length (~19cm) 4.7" and 4" nails length (~12cm&10cm) 2 wool combs, 1 holder 2 clamps 1 wool diz