1. Trigger thrust ratio is 1:182. With ETG3. Barrel pipe color is transparent4. Catch plate is steel (two-piece type)

1. Trigger thrust ratio is 1:262. Barrel pipe material is aluminum3. Front cap and back cap made in Aluminum4. With big yellow color cone nozzle5. For 600ml epoxy and acrylic adhesive use

1. Trigger thrust ratio is 1:182. Barrel pipe material is aluminum (or plastic)3. Catch plate is two-piece type4. With ETG5. For 600ml epoxy and acrylic adhesive use

1. Trigger thrust ratio is 1:262. Barrel pipe material is aluminum3. Front cap and back cap made in aluminum4. Special adapter with 3 kinds of nozzles5. For 600ml epoxy and acrylic adhesive sausage us

1. Trigger front thrust ratio is 1:142. For 300ml, 310ml cartridge of silicone use

1. Trigger thrust ratio is 1:142. Barrel pipe color is Transparent3. Catch plate is steel (two-piece type)

1. Trigger thrust ratio is 1:182. For 300ml cartridge of epoxy and acrylic adhesive use3. Rotating type between barrel and handle

1. Trigger thrust ratio is 1:262. Not rotating type between barrel and handle3. For 300ml single component cartridge of epoxy and acrylicadhesive use

1. Trigger front thrust ratio is 1:262. Not rotating type between barrel and handle.3. For 150ml, 310ml, 330ml, 400ml single component cartridge of epoxy , acrylic, adhesive use