Teng 5Pc Screw Extractor Set P 49638 Drilling capacities The auto sense grip Drilling capacities Equivalent to 42cc class engine chain saw* Additional safety & control with a kickback brake and metal bumper Captive bar nut allows for efficient chainsaw maintenance IPX4 for increased dust and moisture resistance Large oil filling port with view window for easy oil level checks Adjustable chain oiling supplied with 1x 5 TJSE05S Teng 5pc Screw Extractor Set Tapered design for removing damage screws Suitable for both clockwise and anti clockwise threads Square shank and manufactured in CR V 6150 steel hardenedto HRC50 52 Use with drill sizes 3 4 5 7 and 9mm Use with the TengTools tap handle (TAP HDL) Supplied in the unique TengTools TJ tray Clear fold up lid to seewhich set you need to use Sliding catch to secure the set when not in use