HKM-2751037 Sisal Rope Replacement for Cat Climbing Frames - Thin, Medium, & Thick Options AvailableIntroducing the HKM 2751037 Sisal Rope Replacement for Cat Climbing Frames, a must have for cat owners looking to keep their feline friends entertained and engaged. This versatile replacement rope comes in three varying thicknessesthin, medium, and thickdesigned to suit different climbing frames and meet the unique needs of your pets. The thin column measures 4CM in diameter and 45CM in length, ideal for lighter structures and smaller climbing frames.