Markar B1921 & B1923 Full Surface Reinforcing Pivots This full-surface reinforcing pivot adds years of life to openings where the hinges or hinge reinforcements have failed. An economical way to solve door sag problems, reinforcing pivots take the load off the top hinge and transfer it to screws that will not pull out. Material Heavy Duty 3/16" (.187) Cold-Rolled Steel Finish Zinc Plated (US2G) Mounting 8 ea. 1/4-20 x 3/4" Phillips flat head machine screws 8 ea. #14 x 11/4" Phillips flat head sheet metal screws 2 ea. 1/4-20 x 13/4" Sleeve bolts Capacity Supports Weights up to 300 lbs. Hole Pattern Symmetrically Handing Non-handed Catalog Page Markar B1921/B1923 Catalog Page Close Tech Sheet Markar B1921/B1923 Tech Sheet Close Interested in this product? Contact us to order Related products McKinney Reinforcing Pivot Hinges