The Channel of the speed bump effectively protects extension cords, power cords, and hoses from pedestrians and vehicles. Single channel size:1.4 1". DURABLE INDUSTRIAL RUBBER - Durable & Stable & Waterproof & Damping.
????1/2/3/4 pcs 6Ft Rubber Speed Bump w/2 Channel 25000LB Load Heavy Duty Speed Hu
1/2/3/4PC 6Ft Rubber Speed Bumps for Road 2 Channel Modular 25000lbs Speed Bumps
1/2/3/4 pcs 6Ft Rubber Speed Bump w/2 Channel 25000LB Load Heavy Duty Speed Hump
3.3 Ft Speed Bumps for Road, 2 Pack Rubber Speed Bump for Driveway, 2 Channel
2 Pack 3.3FT Rubber Speed Bump 2 Channel 25000 LBS Heavy Duty Road Speed Hump