This set includes: - CGTF top patch fitting - CGBF-100 hydraulic bottom patch fitting 90º Hold Open model Medium Duty for Interior & Exterior Applications Ambient Temperature -20° - +50°C For 3/8" or 1/2" Glass Minimum Door Width 29-1/2" Maximum Door Width 39" Maximum Door Weight 220 lbs (100 kg) Self-Closing Hydraulic Patch Fittings are medium duty for interior and exterior use. There are two adjustment screws to adjust the latching and swing speed. The base plate can be adjusted by 1/8'' in any direction. The Hydraulic Patch Fitting is designed for installation without the need for any other floor or overhead closing devices. Maximum door width is 39" (1 m) and maximum weight is 220 lbs (100kg). Fitting can accommodate 3/8" (10 mm), and 1/2" (12 mm) tempered glass. Glass fabrication (cut-out) is required. NOTE: Do not use with laminated safety glass.