Good compatibility. The multi-functional double-row roller skating brake pad is suitable for most double-row roller skates. Made of rubber and stainless steel, wear resistance, not easy to wear, good resistance, which can be used for a long time. Features -Color:Blue -Material:Rubber and stainless steel -Size:5.30X4.90X4.90cm/2.08X1.93X1.93in - The roller skate stopper is designed to give you reliable stop and provides good braking force. - This brake block is sturdy, wear-resistant and non-slip, which is professional and practical. - The roller skates brake features lightweight design to keep your feet feeling light. - Simple but practical in use, give you to ensure the safely to stop. - The roller skate stopper provides stability in skating while ensuring your safety. Package list: 2 x Skate Toe Stopper with Screw Bolt