Ryobi-CSD4130GN-4V-Lithium-Ion-Cordless-Screwdriver-with-30-Piece-Accessory-Set-Ryobi-5133001037-P-This-4V-screwdriver-from-Ryobi-features-the-best-Grip Zone-overmould-technology-to-make-screwdriving-as-satisfying-&-simple-as-possible-The-Quick Change-chuck-with-automatic-spindle-lock-allows-one-handed-bit-changing-With-30-screwdriver-bits-included-along-with-a-convenient-Gripcase-it-is-great-for-a-range-of-different-purposes-&-means-you-should-never-lose-track-of-the-screwdriver-bits-