STANLEY 11-939A - 70 PK ROOFING UTILITY BLADES XTREME 0 battery pack: provides 50%

0 battery pack: provides 50% more power and runs 50% cooler versus standard REDLITHIUM™ HD packs

The M12TM lithium-ion battery and ultra-efficient gearing allow you to make up to 200 cuts on a single charge

This Steel Tape (ST_3X and ST_Y) series is great for those who need a longer tape but like the blade protection that a closed house offers

Ergonimically designed cushion grip body isolates user's hand as the unit gets cold from use

no-maintenance use

STANLEY 11-939A - 70 PK ROOFING UTILITY BLADES XTREME 0 battery pack: provides 50%Ideal for cutting roofing shingles, felt paper, Tyvek, foam board, insulation, shingles, and other building materials. Designed for use in fixed blade knives only; 75% stronger than STANLEY hook blades. Made of carbon alloy steel; engineered to withstand the rigors of cutting today's heavier and thicker roofing materials. Features Edge is engineered to withstand the rigors of cutting todays heavy and thick roofing materials 75% stronger than STANLEYs