Gunson appears to make a similar style to the Chestnut Tools and Perfect Handle ones. https://bigamart.com/product/gunson-77145-classic-wooden-handle-screwdriver-flat-9mm-x-160mm/?gclid=CjwKCAiAwc-dBhA7EiwAxPRylNhirAAMU0jEbOSgpEQw4-FVM3uXOkfr0frxBCmm3HEqvDZVyJKXVBoCoocQAvD_BwE

Darrel