Lisle Stone-Type Glaze Breaker

Full 2" to 7" Range
(50.8 - 177.8mm).

Controlled pressure assures positive,
adjustable contact through full range

Operates with any electric drill

Furnished with 3" long
220 grit stones

Adjustable stop collar permits quick
selection of two range settings,
from 2" to 4" and from 4" to 7"

Stone arms are easily compressed
to eliminate cylinder scratches