Wave glue ball

Rubber recess formers are also known as rubber wave, rubber hemisphere, lifting nails matching rubber head, the material is rubber, the common color is black, with round head lifting nails or hole lifting nails used to protect the lifting end from being blocked by concrete, for the lifting of the duck beak sling to reserve a suitable space, can be recycled, according to the use of habits and different places, use 5-10 times. The rubber hemisphere is used to protect the lifting end of the lifting nail, and the butterfly mother and screw are used to fix the rubber hemisphere on the mold to jointly complete the lifting conditions required by the design.