The tyre regroover tool works by heating the grooving blade through resistance to restore the grip of tires. Premium quality, compact and portable. It\'s instantly heating, nearly no need to wait for warm-up, easy to operate. This tire regrooving machine is voltage-regulated to change the heating temperature, the screen displays voltage value. Air vent and cooling fan are conductive to heat dissipation. The indicator light will be on when grooving. Our tire grooving tool is equipped with 10pcs U-shaped blades and 10pcs V-shaped blades, with cutting widths from 2mm to 10mm and depths from 9cmm to 14mm, can meet different grooving needs. › See more product details