Road studs are commonly known as highway studs or railways studs or highway markers.Road studs are a type of traffic safety product fixed in the middle of lane lines or yellow double-line for, through its retro reflection, reminding drivers to drive their vehicles along with the lanes. Features :- ~ ASTM D2444 standard; ~ Highest reflectivity; ~ High durability; ~ High impact resistance; ~ 90L x 100W x 73H (mm); ~ Heat resistance 62.7 - 2.5 degree Celcius; ~ Easy to install; Aaluminium road stud with Double Amber reflector market and sale by Flexijoint Industrial Marketing & Services, Kuala Lumpur, Malaysia.