Corner sewed design makes it easy to empty debris. Wide and inclined front lip for scooping out debris from the bottom of the pool easily and assuring no damage to pool liners. Reinforced frame makes it good enough for home pools cleaning, will not break or twist. The big white button is to protect your fingers from getting pinched when installing or removing the telescoping pole, it is not meant to be clamped in the pole hole. Handle diameter 1-1/8 inch works with standard pool pole with a 1-1/4 inch diameter, pole not included. weight: 0.59 pounds