A reliable instrument for measuring the impression hardness of soft materials such as coatings, plastics and rubber. Equipped with a drag indicator, which holds the highest measured result. Durometer type A for materials such as elastomers, vinyl, rubber, leather, pvc, silicone-rubber, Teflon, neoprene, etc.. Durometer type D for materials such as polyester, ABS, nylon, polyurethane, kevlar, acryl, wood, polystyrene etc..