1 box of 3 for $48 3 boxes of 3 each for $140 【HIGH-QUALITY PU WHEELS】- High stability & anti-vibration effect. The grid pattern on the surface of the wheel improves the grip and has a non-slip effect. 【SAFE & EFFICIENT】- The step lock system is powerful, it will not slide and fall off easily. And the lock release only needs 1s, safe and convenient. 【45° TILT DESIGN】- Tilted design allows caster wheels to rotate 360° horizontally, can move horizontally and rotationally, which is easy to move, save time and effort. 【CONVENIENT & EFFICIENT】- Convenient and quick movement ability, which improves work efficiency, abandon the troublesome handling work. 𝗦𝗽𝗲𝗰𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 Material: aluminum, metal, rubber Bevel: 45° Weight: 3.64 lbs Wheel diameter: 2.95inch Package Includes: 1 x Swivel Caster Wheels Set This light stand wheel fits most C bracket legs with a diameter of 0.94inch