About this item:【 Spiked roller Size】:500 x 90mm/19.7" x 3.5"(L*D).The spiked roller self levelling needle size:21mm【Purpose of Spiked Roller 】: Spiked roller self levelling is used to eliminate bubbles in the construction of epoxy floor to keep the floor smooth and level.【 Spiked Roller with Splash Guard】: The spiked roller self levelling concrete brush with splash guard is used to prevent the cement splash, which is suitable for epoxy floor paint construction.【Easy to Use and Maintain】: This spiked roller is straightforward to handle and maintain, self levelling tools works best when paired with spiked shoes self leveling, allowing even first-timers to achieve professional installation outcomes.【Package Includes】:The spiked ro.