M4 Thumb Screw for use with pull starts, making for a quick and easy pull start removing,
Made from one peace high tensile steel with a bright zinc plating finish with knurled finger grip head.
Thumb screws also incorporate a slot in the head for easy undoing with a flat point screwdriver.
fits all standard 1/5th petrol engine pull starts that take an M4 screw.
included
4x Thumb Screws M4, Steel BZP
4x Spring Washers steel BZP
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