HEAVY-DUTY LOAD CAPACITY: Supports up to 18,000 lb, making it ideal for cars, trucks, SUVs, and other vehicle categories. Provides reliable strength for demanding lifting tasks in your garage. ADJUSTABLE HEIGHT RANGE: Features a minimum height of 19 in and a maximum lifting height for versatile use. Easily adapts to various floor support post needs for different repair or maintenance jobs. DURABLE ALLOY STEEL BUILD: Constructed from high-quality alloy steel for long-lasting durability. Resists bending and wear, ensuring your adjustable post jack remains dependable over time. COMPACT AND PORTABLE DESIGN: Measures 9 in L x 19 in W x 5 in H for easy storage and transport. Lightweight at 3.651 kg per unit, making it convenient to move and position under vehicles. MULTI-PACK CONVENIENCE: Includes a set of three floor jacks for added value and flexibility. Perfect for supporting multiple points or working on several projects simultaneously in your workspace. The Tiger Brand Jack Post adjustable post jack offers reliable floor support for a variety of applications, including crawl spaces, attic ladders, and decks. This set includes 3 units, each designed to provide strong and stable support for wooden or steel beams. The adjustable height ranges from 19 in. to 36 in., making it versatile for different projects. With a maximum load capacity of 18,000 lb. and a minimum load capacity of 16,000 lb., this floor support post is built from durable alloy steel and features a zinc-coated, corrosion-resistant finish for long-lasting performance. The post adjusts easily with a 3/4 in. wrench, and its robust construction includes a 2-1/4 in. diameter tube, 15-gauge thickness, and a 4 in. x 5 in. 13-gauge plate for secure placement. The screw size is 1 in. x 7 in. with 5 threads, and support pins measure 1/2 in. x 3 in. The grey color blends seamlessly with most environments. Each package weighs 3.651 kg, and the product is compatible with cars, trucks, SUVs, and other vehicle categories. Model number J-S-36. Distributed by Tiger Brand Jack Post.