Feature:
bimetallic materials for cutting steel, aluminum, brass, wood, plastic, wall lamps, gypsum and gypsum board.
unique toothed structure for fast removal of cutting materials.
lock the Hole Saw with a pin to prevent over tightening
Material:
M42 HSS, Bi-metal
Package:
1 pack 6 inch hole saw
1 pack 7/16" hex shank arbor
It is OK for drilling as clockwise rotation, but not anti-clockwise.