Klein Tools 89565 Duct Stretcher 32799 Battery life (alkaline): 40 hrs

Battery life (alkaline):  40 hrs (IR)

It directly measures %O2 and flue temperature

(1) Set of Alligator Clips

and its 6-Inch shaft is heat-treated for greater tool strength

Klein Tools 89565 Duct Stretcher 32799 Battery life (alkaline): 40 hrsKlein Tools 89565 Duct Stretcher The Klein Tools Duct Stretcher helps make drive cleat installation easier. This stretcher aligns and pulls ductwork together while your other hand can place the drive cleat in position. This duct stretcher can be used almost anywhere including cramped and tight places. The offset handle helps protect your hand's knuckles. Aligns and pulls ductwork together Offset handle protects hand Works well in tight spaces Designed