Performance Ball Race Hinge - Solid Brass - Polished Brass (Pack 2) Performance ball raced hinges are made to the highest specification from solid drawn brass and brass pins to guarantee no rust and a long lasting finish. They are ideal for heavy high quality doors in domestic applications. Featuring 4 ball bearing raced knuckles to prevent knuckle wear and provide a lifetime of silent, smooth door operation. Fixings included. Specification Knuckle Ø (mm) 8 Max. Door Weight (kg) 40 Finish Polished Brass Thickness (mm) 2.5 Screw Size (imp.) 8 x 1 Corrosion Rating (1-5) 1 - Clean, dry & low humidity environments MOQ 1 Hole Ø (mm) 5.2 Pack Dimensions L x W x H (mm) 116 x 42 x 22 L (inch) 3 L (mm) 76 Washer Steel Washer Screw Size (mm) 4.0 x 25 Knuckle Type Ball Bearing Material Solid Brass Rec. Screw Ø (mm) 4 Rec. Screw Gauge (imp.) 8 Corner Type Square Length x Width (mm) 76 x 50 Pack Weight (kg) 0.22 MOQ Increment 1 Packs per Carton 80 Brand TIMCO