Impression gun ( Dispensing Gun) 1:4,1:10 50ml dispensing gunImpression gunFeatures:This dispensing gun is used to extrude impression materials and bite registration materials from cattridge.It consists of a release lever and a plunger which are coordinated simultaneously to load and remove the cattridge.It works with 1:4 and 1:10 cattridges.Perfect Performance with our series of Mixing Tips! ...