HOLKIE Leveling Stem Casters Set of 4 Heavy Duty Retractable Caster Wheels, 1/2" and M12 Stem Size, Total Capacity 2200 Lbs, Adjustable Wheel with Ratchet Handle for Workbench, Machine, Equipment

Features

• TWO STEM SIZE AVAILABLE: Our threaded leveling casters come with two sizes of screws, M12-1.75 x 33mm and 1/2" -13 x 1.299". Prioritize compatibility.
• EASY TO ADJUST: These retractable casters come with a new handle design which makes height adjustment very easy and simple.
• HIGH LOAD CAPACITY: Our set of 4 heavy-duty casters has a load capacity of 2200 lbs/1000 kg for a variety of equipment and workbenches.
• FIRM & DURABLE: These retractable casters are made from a variety of materials for great durability and to reduce vibration and shock.
• MULTIPLE APPLICATION: Our industrial casters are suitable for both indoor and outdoor use and are perfect for a variety of applications such as worktables, furniture, shelves, carts, lab equipment and more.
• PLEASE NOTE: Avoid turning the ratchet handle too quickly. It is recommended to gradually approach the level by making several small adjustments (e.g., 1/4 turn at a time) to prevent over-adjustment.