Covering a 2" (5.1 cm) to 7" (17.8 cm) range, this engine cylinder glaze breaker utilizes an adjustable stop collar to select between 2" (5.1 cm) to 4" (10.2 cm) and 4" (10.2 cm) to 7" (17.8 cm) settings. It operates with any electric drill and includes 3" (7.6 cm) long 220 grit stones that maintain positive, adjustable contact through controlled pressure. The stone arms compress for easy insertion to prevent cylinder scratches.

Covering a 2" (5.1 cm) to 7" (17.8 cm) range, this engine cylinder glaze breaker utilizes an adjustable stop collar to select between 2" (5.1 cm) to 4" (10.2 cm) and 4" (10.2 cm) to 7" (17.8 cm) settings. It operates with any electric drill and includes 3" (7.6 cm) long 220 grit stones that maintain positive, adjustable contact through controlled pressure. The stone arms compress for easy insertion to prevent cylinder scratches.