After spells with Callaway and Hogan, the Scot has signed a deal with Yonex as he chases his first outright tournament victory in 2 1/2 years.
Montgomerie changed caddies three times last year and also abandoned a spell with the belly putter.
He plans to use his new set of clubs at the South African Airways Open at Erinvale Golf Club near Cape Town starting Thursday.
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