The phrase "a raft of extra" is correct and usable in written English.
It can be used to describe a large number or variety of additional items or features.
Example: "The new software update includes a raft of extra features that enhance user experience."
Alternatives: "a multitude of extra" or "an abundance of extra".
EDF is already struggling to cope with a raft of extra demands that have been imposed on it, most recently the takeover of its financially troubled engineering partner Areva.
BlackBerry has taken another step towards revamping itself by releasing a new version of its free, BBM mobile messenger, adding a raft of extra features.
Both Samsung and LG have radically improved their underlying camera hardware and, at the same time, piled on a raft of extra features - but sometimes it's simplicity which will win the day, and this latest addition from Samsung only goes to show that Apple is still on point when it comes to ease of use.
As well as focusing on improving teaching and sprucing up the school itself, Mrs Chaudhary has introduced a raft of extra-curricular classes to increase parents' involvement.
This Blu-ray/standard definition combo edition features a raft of extras, including an extended cut of the film and a version composed entirely of the original storyboard sketches.
ALSO OF NOTE -- The Who performs from Woodstock to the Shepperton Film Studios in "The Kids Are Alright," Jeff Stein's documentary and concert film, with Mr. Stein's commentary, added performance and a raft of extras, some none too scintillating.
But "Repo Man," his first feature-length work, remains a cult favorite, and has now earned its place in the Criterion Collection in a deluxe edition that incorporates a raft of extras, including a hilariously desultory edited-for-television version in which the salty language has been overdubbed by bizarre non sequiturs.
This is my first walking holiday as, thanks to inflation by middlemen and a raft of hidden extras lurking in the small print, prices for such specialist trips can easily reach £800 or more before flights, well above my budget.
(F) "If we know about the problem, and the woman is willing to share with us, there is a whole raft of extra support that can be put in place to make sure that her care is tailored specially for her".
If women do not disclose their situation fully (either their disability, domestic abuse or both), participants believed that they cannot tailor optimal care to suit women's needs effectively: "If we know about the problem, and the woman is willing to share with us, there is a whole raft of extra support that can be put in place to make sure that her care is tailored specially for her".
A raft of items promise extra shelf life, but do they really work?
