treadmill for incline training based on your actual needs, or use all four blocks to provide long-lasting, stable support for treadmills, sofas, desks, chairs, refrigerators, washing machines and more. fits most treadmill bases and furniture legs. When treadmill or furniture legs are smaller, use the L-shaped half to prevent movement; The textured top prevents slipping and shaking during use, while the TPU rubber bottom grips floors securely. Protects wood, tile and carpet without leaving scratches or indentations. This set of treadmill incline riser blocks includes four non-slip. You can DIY by combining or separating these heavy-duty riser blocks to freely adjust the height, meeting the needs of fitness training and home use. Ideal for fitness enthusiasts looking to boost workout intensity, and for homeowners needing extra storage space or easier cleaning access.