McKinney Ajax Double Acting Horizontal Spring Pivot Hinge - 3001/J3001 Recommended for use on hollow metal or wood doors in residences, restaurants and other public places. Application of attaching plate and hinge to the bottom of door is very simple and requires only a rectangular mortise cut Anti Friction Bearing Adjustable spring tension Equipped with a 90° hold open feature Non-Handed Optional jamb attaching plate for concrete or tile floor (to order, prefix “J” to number) Furnished painted or in plated finish Specification Close Catalog Page 3001/J3001 Catalog Page Close Related Templates 380 for 3001 double acting spring pivot hinge385 for J3001 double acting spring pivot hinge Interested in this product? Contact us to order Related products McKinney Full Mortise Single Acting Spring Hinge: Standard Weight - 1502/1552 McKinney Full Surface Double Acting Door Spring - 451/452/453 McKinney MacPro Adjustable Spring Hinge - MPS60/MPS679