hole in one drywall

is designed to drill out electrical boxes in drywall or other thin sheets You don't need to use any glue, just press together. there are some things you have to buy like magnets I'll add a link below aluminium bushing m8 with an outer diameter of 16 mm and a height of 4 mmaluminium Countersunk Head Washer m8 with an outer diameter of 18 mm and a height of 5 mmFerrite Magnet 45x8mm and a hole of 22mm links:https://www.aliexpress.com/item/4001230186378.html?spm=a2g0o.order_list.order_list_main.41.6d381802Uw5IyQ https://www.aliexpress.com/item/32885496969.html?spm=a2g0o.order_list.order_list_main.35.7ede1802hma79r https://www.aliexpress.com/item/1005006915134966.html?spm=a2g0o.order_list.order_list_main.47.7ede1802hma79r