Surface convex stripe anti-slip design, increase friction, anti-slip better. The rubber material has low noise. Solid rubber material bearing strong friction resistance. High quality rubber does not age well.
Non-Slip Solid Rubber Threshold Ramp Surface Convex Stripe 35.4"Wx7.9"Dx1.2"H
BAZEITFLOW Optical Convex Lens Clear Double Convex Magnifying Glass Replacement Lens for Scientific Experiments Educational Use and Magnifier Accessories Portable and Smooth Surface
SAFIGLE 4pcs Wooden Sock Blockers for Knitting and Crochet with Smooth Surface Thin Sock Display Molds Leaf and Stripe for Yarn Stitch Holding and Crafting
Homoyoyo Physics Optical Lens Double Convex Magnifying Lens 6X Magnification Glass Smooth Surface Easy to Carry for Physics Teaching and Science Experiments
WEKADRIN Double Convex Lens Transparent Optical Glass Magnifying Lens for Science Teaching Tools and Physics Experiments Smooth Polished Surface Replacement for Magnifiers and Telescopes
Abaodam Convex Lens Magnifier Making Lens 6X Magnification 160Mm Focal Length Smooth Surface Easy to Clean for Reading and Learning about The Light
