XL Series Surface Mount Sliding Door Roller Kit is used to install aluminum, timber, wood, and metal sliding doors. It comes with two Retaining Stoppers for impact-free closing and opening for door panels weighing up to 308 lbs (140 Kg).

Minimum door width: 23-5/8″ (600 mm)
Minimum door thickness: 1-3/8″ (35 mm)
Maximum door weight: 308 lbs (140 kg)