XL Series Surface Mount Sliding Door Roller Kit is used for the installation of aluminum, timber, wood and metal sliding doors. It comes with Double Soft Close Mechanism for soft and impact-free closing and opening for door panels weighing up to 308 lbs (140 Kg). Double soft close mechanism works in each direction of travel.

Minimum door width: 30-1/2″ (775 mm)
Minimum door thickness: 1-3/8″ (35 mm)
Maximum door weight: 148 lbs (90 kg)
Maximum door weight: 308 lbs (140 kg)