M-D Building 04200 Window Shrink & Seal Insulation Kit, Clear, 62"X 210" Bugle Head And the R-Tec chisel features

And the R-Tec chisel features a unique cutting head with extra wedges for increased breakout

Anti-kickback design good for underpowered saws

1/4-inch-wide concave roller

most even finish

M-D Building 04200 Window Shrink & Seal Insulation Kit, Clear, 62"X 210" Bugle Head And the R-Tec chisel featuresShrink & Seal Indoor Window Kit is installed around entire window to eliminate cold air drafts and frost build up. Crystal clear film that is easy to install with a hair dryer that shrinks tight and wrinkle free. Creates dead air space to increase insulating R Value up to 90%. Highlights: See through film and tape Installs around entire window or patio door Eliminates drafts and frost build up Creates dead air space to increase insulating R Value