Klein Tools 65239 KNECT™ Flip-20 Impact Socket Set, SAE and Metric, 13-Piece 04517 Its electrochemical sensor is fast

Its electrochemical sensor is fast enough for walk-around tests

Shoulder straps with extra padding and handles for easy carrying

It powers the dual-fan which forces outside air into the shell to push out stale hot air

The "Walk-Around" Test:  The SCM4 responds to changes in CO levels in real time

Klein Tools 65239 KNECT™ Flip-20 Impact Socket Set, SAE and Metric, 13-Piece 04517 Its electrochemical sensor is fastKlein Tools 65239 KNECT Flip 20 Impact Socket Set, SAE and Metric, 13 Piece This 20 Piece impact socket set features (10 SAE and 10 Metric) sizes combined into 10 color coded sockets. Each impact flip socket features two coaxial spring loaded sockets in one. Set includes Nested adapters for dual drive (1 4 Inch hex flip socket shaft nest into 3 8 Inch square drive adapter). Also comes with a Compact, modular storage system with a clear lid that is