DescriptionThis sliding door track spacers kit is made of carbon steeland plastic, which has reasonable design, practical functions, and can be well applied toconnect the track and wall . Simple structure, including bolts and expansion tube, easy to install and use.Features-Color:Black -Material:Carbon steel, plastic -Size:11.00X3.00X3.00cm/4.32X1.18X1.18in - Exquisite workmanship, reasonable structure, professional and practical, strong bearing capacity. - The spacers have matching with lag bolt, can make the screw go deep into wall well. - The spacers are made of carbon steel, high hardness, not easy to deform and reliable in use. - The sliding barn door spacers are widely used and can be used to connect the track and wall. - The spacers are in stable characteristics, and high performance of wear-resistant, deform-resistant.