C.R. LAURENCE C1064 CRL Wood/Aluminum Keyed Internal Lock Sliding Glass Door Handle Set With 3-15/16" Screw Holes for Viking Doors. The CRL Internal Lock Handle is easily installed and reversible for either right or left hand applications. It has an automatic unlatching feature which prevents accidental lockout. The handle is designed to fit doors with 1" (25.4 mm) thick rails. For 1-1/4" (31.8 mm) thick rails, order optional Cog Cat. No. E2168. For 1-1/2" (38.1 mm) thick rails order optional Latch Hook Cat. No. SB135. Constructed of die cast aluminum with a wood pull, it fits on Viking and many other sliding glass doors. Each package contains: One inside and outside pull with latch, keeper and installation fasteners.. Part Numbers Variations: C1064
