Fortified Thin-Set Mortar, Gray, 50-Lbs. Reciprocating Saw Blades feature bi-metal technology that delivers

feature bi-metal technology that delivers up to 4 times longer life of standard blades

Vinyl-coated steel construction

Venting channels make it 50% easier to lift liners

helps minimize vibration

Fortified Thin-Set Mortar, Gray, 50-Lbs. Reciprocating Saw Blades feature bi-metal technology that delivers50 Lb. Bag, Gray, Versabond Flex Fortified Thin Set Mortar, High Performance Formula Provides Outstanding Working Characteristics While The High Flexibility & Bond Strength Delivers Excellent Performance Over A Wide Variety Of Floor & Wall Installations, Exceeds ANSI A118. 4 & A118. 11, Protected By Moldgard Technology To Resist Mold & Mildew Growth.