【Adjustable & Durable Design】: GT-DS002 spring door stops is adjustable from 3 to 4 Inch. It's made of high carbon steel, and made durable to withstand your daily use without breaking easily. 【Prevents Wall & Door Damage】: GT-DS002 features with quality bumper to prevent damage from fast slamming doors. 【More Space Behind the Door】: GT-DS002 is flexible door spring stoppers to enlarge the skinny space behind the door. You can install coat rack behind the door without damage your door & wall. 【Friendly Installation】: Mark where the stopper will go and drill a hole. Screw the stopper base then insert the spring on the base and wall. And you’re set. 【Great Package Deal】 One pack with 12 pcs, you can use them behind every door in your office, bedroom and bathrooms. 12 Pack Door Stoppers, Extended from 3-Inch to 4inch Spring Door Stop with Rubber Bumper Tips, Prevents Wall &Door Damage, Oil-Rubbed Brass (Black)…