The Graham Field Lumex 36100 Replacement Crutch Tip is a durable, gray rubber tip designed to restore traction and stability for universal aluminum crutches (compatible with models 3610LF‑8, 3611LF‑8, and 3612LF‑8) . Made of high-quality latex‑free rubber, these tips enhance grip on various surfaces and help prevent slipping. Sold as a pair, they make an ideal maintenance accessory for home or clinical use .