🔧 Hirate Wheel 16 Threaded Hardwood Material Handling Products: Durable and Efficient Solutions Review

【Imperial Stem Size】: Our caster wheels are standard 5/16" with 18 TPI,Coarse Thread (US), the stud diameter is 5/16" and the stud length is 0.79"(20mm), if your stem socket is METRIC M8, this caster does not fit, please check before buy. 【Lockable Caster Wheels】: There are 2 Pack Caster wheels constructed with brake pedal, it can brake the rotation of the caster only, but the stem is still moveable for direction. 【Heavy Duty Casters】: Our chair casters are made from industrial-grade steel, precision ball bearings, and durable polyurethane chair casters, can support up to 500lb for 5 pack 2 INCH casters, can be widely used for most chairs and other furniture with IMPERIAL STEM 5/16" only. 【Quiet & Smooth Rolling】: Made of high-tech elastic polyurethane, with internal bearings are quick rolling and the surface is sleek,wouldn't get stuck by crumbs,hair, wouldn’t damage on floors. 【Satisfaction Guarantee】: No any worries about it. If these are not your favorite chair wheels you have ever owned, the smoothest and most quiet, return them for a full refund.