Large opening model to the gray bowl adapter to diameter: 39/35/32/26mm.
Small opening type to the gray bowl adapter to the diameter: 44/39/34/29mm.
Dimensions: Large opening model to to gray bowl: 202x102x55mm Adapter upper mouth: 40mm Bottom mouth: 25mm, Small opening model to to gray bowl: 202x71x30mm Adapter upper mouth: 45mm Lower mouth: 28mm.
and rubber, stable, firm and
Drilling hands-free collector + adapter + 2M vacuum tube, connected to various vacuum multi-stage transfer strong adsorption force, suitable for all kinds of wall adsorption, dust-removing dust-connecting tools, to that has no drilling holes.