9" Cradle type Caulking gun 1. Hi quality steel steel 2. For 400ml tube 3. corrosion resistance device 9" Cradle type Caulking gun1. Hi quality steel steel 2. For 400ml tube 3. corrosion resistance device Caulking gun,*9" Cradle type,*Smooth rod,Thumb release at rear end of push rod,Ladder hook at rear end of push rod,Built in seal punch on handle,Rotatable body..... ratchet caulking gun