Product Description GJ Works 370pcPhillips Mushroom Head Self-Tapping ScrewsAssortment Grab Kit GK370 This handy workshop kit contains 370 mushroom head phillips self-tapping screws in 12 different sizes making it an ideal kit to keep in the workshop Features Philips Head Drive Mushroom Head Black Zinc Plated 12 Sizes: 6G To 10G Dia. Lengths: 3/8 to 1-1/2 370 Pieces