Model No.: CP302
Product name: American Type Floor Locks
Loading capacity: 200-250KGS
Wheel material: Steel...
Features & Advantages:
1 Use more labor saving,good technology, cost-effective
2 Welding support, connecting using thick rivet, firm and reliable
3 Antirust bright gavalized surface treatment and anti-corrosion
4 Circle rubber mat is non-slippery and safe to use
http://www.shangxincaster.com/floor-locks/american-type-floor-locks.html