Features:*【strong and Sturdy】The Loop Style Spring Bolts manufactured from High-strength steel,The thickened diameter suggests that it's going to no longer bend due to exterior forces,heavy duty,strong to last.*【High Quality】They are nice and stable heavy duty door bolts that safe nicely.Bolts finish to be zinc coated which should help resist rust,can work nicely indoors or outdoors.*【Optimum Security】Heavy Duty Bolt predators trying to open the door/gate from stepping into your garden,provide true safety for dogs, pets, and babies.Strong bolt will not deform or fall off.*【Widely Use】Spring Bolt are tremendous for shed doors, gate doors, playhouse doors, sash hold-open,or every other constructing project.Typically, pair is used in line with door, with bolt on the top, and one other on the bottom.*【Easy to Operate】 Bolts easy to extend and also retract to open the door,Easily installed and provides a great lock at the door.Package consist of 4 x Self-drilling Wood Screws.Specifications:*Product Name: Bolts*Material:Thicken Steel*Size:5 x 4.21 x 0.71 inches*Color:silverPackage Content:1 PC x Bolts4 PCS x Pan Head for Phillips Wood Screws (¾" long)Note:1. The genuine shade of the thing may be barely various from the photographs proven on web content attributable to many factors similar to brightness of your visual display unit and light-weight brightness.2. Please allow slight manual measurement deviation for the data.