which has PTFE surfaces to minimize the friction

Guide Bar (165246-6)

commonly referred to by Phil Irons as the "big exhaust"

in 45 ° steps

magnifying glass

19mm 1/2” Drive 12 Pt. Standard Metric Socket 80754 by GEARWRENCH Diamond Hole Cutter / Hole Saw which has PTFE surfaces toFeatures Off corner loading design reduces fastener rounding Chamfered opening quickly guides fasteners into socket Hard stamped size markings Double line (SAE) and knurled (metric) ring help easily identify standard and metric sockets Bright, full polish chrome finish easily wipes clean and resists corrosion Meets or exceeds ASME specifications Specifications Knurled : Yes Product Type : Socket Drive Tang Size : 1 2 in Socket Size (mm) : 19mm Length