Model: Toothed – covered – special for Ando with a length of 1600 mm without teeth – with cover – special for Ando with a length of 1600 mm Serrated – Covered – Special for colon with a length of 2300 mm without teeth – with cover – especially for the colon with a length of 2300 mm Use: to take samples from the digestive tract. Possibilities: Serrated and non-serrated design with high sampling capacity No slipping during sampling. Easy tissue sampling, without tissue damage.