Compatible with testo Smart Digital Manifolds (550s / 557s / 550i)
(1) 2-9/16" BIG HAWG™ with Carbide Teeth
9" in length for access into tight spaces and reduced fatigue
easy-to-identify test responses
With our Patent Pending KF fitting designed specifically for HVAC applications
Klein Tools 25951 Step Bit Kit, Spiral Double-Fluted, VACO, 3-Piece 09300 Compatible with testo Smart DigitalKlein Tools 25951 Step Bit Kit, Spiral Double Fluted, VACO, 3 Piece The Electrician's Step Bit Kit features three commonly used step bits, with dual spiral fluting to help pull the step bit through material for faster cutting. Titanium Nitride coating extends the life of the cutting edge. Convenient to use with an impact driver and drill, the 1 4 Inch hex shank provides a firm, positive grip. Kit comes in a rugged case that includes a convenient oil