These wrench blocks are solidly built but lack fit and finish. I use them for a makeshift rope machine for my small home gym. When I first installed them I noticed some rotational knocks so I took them apart and found a weld or extrusion in the steel sleeve between the pulley and the pin. This seam was fairly easy to remove with a dremel and/or needle file. I then used a fine sandpaper to buff the bushing and smooth the outside surfaces of the pulley (they ruined the paint). Finally, I put some thick, good quality multipurpose grease on both sides of the hub as it spins under load. Personally, I wouldn't use them above 500 pounds; but that's really just personal judgment and nothing for which I have quantitative evidence. In general, they can be very useful for medium-power applications with around 15 minutes of work (each).
π§ SOLEJAZZ Heavy Duty Retractable Workbench Caster Kit - 880 LBS Capacity, 3" Urethane Wheels, All Steel Construction, includes Bonus Install Template - Pack of 4
9 Review
WORX WX051 Pegasus: The Ultimate Folding Work Table & Sawhorse for Every Handyman
28 Review
π§° Portability Enhanced: Worx WX066 Sidekick Work Table
10 Review
π¨ KETER Jobmade Portable Work Bench and Miter Saw Table with Wood Clamps β Easy Storage in Garage, Ideal for Woodworking Tools and Accessories
9 Review
Easy Install White Magnetic Door Screen For Doorways And Sliding Doors - Fits 34X82 Fiberglass Mesh Screen With Heavy Duty Magnets - Screen Size 36X83
36 Review
Stylish & Safe: Sussexhome Carpet Stair Treads For Wooden Steps - 4-Pack Of Self-Adhesive, Pet & Kid-Friendly Indoor Treads To Prevent Slipping
51 Review
IKSTAR EVA Thermal Plastic Door Cover 38" X 82": Insulated Magnetic Curtain Keeps Cool Summer, Warm Winter For AC Room, Kitchen & Stair - Brown
40 Review
Non-Slip Brown Carpet Stair Treads - 15-Pack Of 8"X30" Runners For Wooden Steps
39 Review