Heavy Duty Aluminum Frame for Workbench Systems China Heavy Duty Aluminum Industrial Frame Aluminum Frame and CNC Norwest Z AS 2D 1 Piece A Frame Norwest Manufacturing Xtreme Single Sided Galvanized A Frame Vector Tool Supply Steel A Frame Ningbo Penglong Display Equipment Co.,Ltd HEAVY DUTY DOUBLE SIDED A FRAME Detroit Diamond Tools. Certified Light Duty Industrial A Frame Leg Capacities Position 1. Fully Retracted 3750 LBS Position 2 . 3200LBS Position 3. 2600 LBS Position 4. 2000LBS Position 5. Fully Extended 1600LBS Call to check stock Customer is required to Pay Freight shipping