Combi-Bolt CB2000-BLK 4-Dial Combination Sliding Bolt Lock With Black Finish 10,000 possible combinations Easily set your combination at any time Heavy duty solid metal bolt and construction Ideal for outdoor use; rust proof Easy to install Ability to install in recessed or flush mounting Durable and weather resistant - stands up to harsh weather Pick resistant dials and one-way security screws Secure  4 dials with 10,000 possible combinations Enclosed bolt slides tightly into strike or lock receiver Available in <u>chrome</u> Lock length is 4, width is 2 Bolt receiver  2 length,  width,  height Strike plate  2 length, 1 width Hole opening - 5/8 wide