ITEM NAME:42x Hollow Drive Wall Anchor Screws Assortment for Plasterboard Cavity Fixing Descriptio n Description: Gap extension between wall and arm: 8mm Tightening the screws to swell against the wall For plasterboards, grooved walls and fixed cavities High strength and hardness, long-lasting Easy to install and use Specifications: Material: Galvanized Color: Picture color Box Size: 20.5 * 10.3 * 3.2cm Quantity: 42Pcs Specification: M4 * 32 (12pcs) M4 * 60 (10pcs) M5 * 52 (6pcs) M5 * 65 (6pcs) M6 * 52 (4pcs) M6 * 65 (4pcs) Package Included: 42Pcs/Set  Hollow Drive Wall Anchor Screws Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 42x Hollow Drive Wall Anchor Screws Assortment for Plasterboard Cavity Fixing.Tightening the screws to swell against the wall. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.