Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
Gets the job done. This is my first caulking gun, and I needed it to apply silicone sealant. Works great! The piercing tool was a bit stiff and needed some force. Next time, I might go with a smooth drive shaft, but this totally does the job.
For the price it works great, unfortunately when you use you got to losses the caulking from gun or the caulking with continue to ooze out, not too much but enough where I thought it was a waste so I used my fingers for the remaining to finish the job. Otherwise it serves its purpose.