Hardware Pack Sliding Max Weight (Lb.) 220 lb Stainless Steel Silver Brushed Stainless Steel Finish Shaft Length 3-3/4 in Length (In.) 78 3/4 in Height (In.) 4 3/8 in Width (In.) 2 1/8 in Depth (In.) 78 3/4 in Inside Dia 13/16 in Outside Dia 1 in Max Wheel Dia (In.) 2 1/8 in Roller Width/Dia (In.) 2-1/8 in Top Mounting Mounting Hole Size (In.) 5/16 in Sealed Bearings Number of Wheels 2 304 Stainless Steel Hardware Included Requires 1 in to 2 in Thick Door Panel