Performance Ball Race Hinge - Solid Brass - Polished Chrome (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 Chrome Thickness (mm) 2.5 Pack Dimensions L x W x H (mm) 118 x 44 x 22 Screw Size (imp.) 8 x 1 MOQ 1 Material Solid Brass Hole Ø (mm) 5.2 Packs per Carton 80 Screw Size (mm) 4.0 x 25 Corrosion Rating (1-5) 4 - Urban & industrial areas with a moderate salt atmosphere Pack Weight (kg) 0.22 Knuckle Type Ball Bearing L (inch) 3 L (mm) 76 Length x Width (mm) 76 x 50 Corner Type Square Rec. Screw Gauge (imp.) 8 Rec. Screw Ø (mm) 4 MOQ Increment 1 Brand TIMCO