McKinney 451-D4 Full Surface Double Acting Door Spring
McKinney 451 Full Surface Double Acting Door Spring in D4 (black) finish. Features This economical series is designed to be surface applied to the door and frame, The 451 Coil springs made of high grade steel wire, Adjustable tension, no special tools required, 451 Wrought steel brackets prevent breakage, All 450 Series are finished in D4 (black) and are packed with 1×12 wood screws
Specifications
| Overall Lenght: | 9″ |
| Spring Lenght: | 5″ |
| Material: | Steel |
| Wood Screws: | 1×12 |
| Number of Holes: | 6 |
Certifications
| ANSI: | K87441 |
