[STANDARD SIZE - 15 x 15 x 15 cm] Each side of the triangular reflector measures 15 cm - Refer to the dimension diagrams for more information [STANDARD SCREW SPACING - 70 mm] The standard mounting distance for attaching various types of trailers is 70 mm - our red warning triangle reflectors are the perfect replacement for trailer and tractor reflectors [REAR - LEFT AND RIGHT] If one of your red rear warning triangle reflectors is damaged, replace both the left and right trailer reflectors to ensure matching appearance [PACKAGE INCLUDES] 2 reflector kits for trailers, semi-trailers, and compatible vehicles such as cars, trucks, tractors, caravans, campers, horse trailers, etc. - Screws not included Color: Red Quantity: 2 pieces Note: The data is based on manual measurement; please allow 1-50 cm error. Due to differences in lighting and screen color, there may be some color variation. The actual product takes precedence.