features of this product:
i. Revolution of internal corner polishing
(1) solve the problem that ordinary internal corner sand shelf grinding is prone to wall sand marks.
(2) solve the problem that ordinary internal angle sand shelf is not straight.
(3) save working hours, the same area only needs half of the ordinary grinding time.
(4) adopt self-adhesive structure to make sandpaper and sand shelf do not shift, do not slip, and easy to construct.
II. Leveling of wall and floor lines
the ideal tool for bottom grinding saves working hours.
Technical parameters:
sand shelf specification: 50cm * 9cm * 4cm
sandpaper specification: 50cm * 13.5cm
(The number of commonly used sandpaper is 180#,240#)