Can Generally Be Mounted to Other Manufacturer's Jambs Requires 1" (25 mm) Hole in the Glass For Use with 1/4" Tempered Glass (Not Included) Stocked in Polish Chrome and Brushed Nickel Finishes The CRL "L" Plate Style Mini Hinge can generally mount on other manufacturer's jambs (for retrofit mounting to CRL's HDK Kits use MH1BN Hinge instead). The hinges are mounted through a 1" (25 mm) hole in the glass, and feature a moulded nylon insert that allows a 3/16" (5 mm) horizontal adjustment in each direction. Hinges are for use with 1/4" (6 mm) thick tempered glass, and stocked in two finishes.