sturdy Construction for Heavy Duty Use: Made from sturdy materials, these rollers up to 100 kg, efficient durability for intense cutting tasks while maintaining straight tiles platforms Premium tiles chainsaw Replacement Parts: This set includes 3 workbench rollers with quiet bearings on both sides, providing a quiet working environment and serving as excellent replacements for cracked or worn guide Enhanced Efficiency &: The sturdy rollers minimize slippage and improve cutting accuracy, making it ideal for maintaining accuracy in tiles cutting projects Easy Installation & accuracy: Features a 6.15mm wide grooves to fit 6.15mm tracks, allowing for quick replacement with a simple tap and slide methods Tightened nut ensures reduced table tilt for smoother operations Suitable with 7 Inch tiles chainsaws: Designed to fit R4030S 7 Inch tiles chainsaw, R4031, R4030, 0.40311 tiles chainsaws, and DT180EVO, ensuring seamless integration with most standard tiles chainsaws, Manufacturer: Oxxggkao