1. Includes the insert for two different grip size 2. Standard manual hand operation 3. Effortlessly mix and deliver impression materials with this handgun cartridge dispenser 4. Commonly used for mixing two liquids, including epoxy resin, silicone, and other 50ml two-component glues. Specifications: Material: Plastic,Metal Suitable: 50ml Ratio: 1:1/ 1:2 Size: 19 x 18 x 6cm/7.48" x 7.09" x 2.36" Weight: 210g Package Include: 1 x Impression Mixing Dispensing Dispenser Gun