Specification Brand : Qinlorgo BulletPoint1 : Product Name : Universal Joint;Bore Diameter : 10mm/ 0.4" BulletPoint2 : Female Thread Diameter : 5mm/ 0.2";Total Size : 20 x 46mm/ 0.79" x 1.8" (Max.D*L) BulletPoint3 : Material : Metal;Color : Black BulletPoint4 : Net Weight : 70g BulletPoint5 : Package Content : 1 x Universal Joint ExternallyAssignedProductIdentifier1 : 0719233122709 ExternallyAssignedProductIdentifier2 : 719233122709 ItemName : Universal Joint Aluminum Alloy Plum Shaft Coupling Coupler U Joint D25 L30(12-12mm) ItemPackageQuantity : 1 ItemTypeKeyword : pin-and-block-universal-joints Manufacturer : Qinlorgo Material : Aluminum ModelNumber : modle PartNumber : Qinlorgoqd0tiwo59e-07 ProductDescription : Specification: Description: This plum shaft coupler is made of high strength aluminum alloy, excellent bearing capacity, service life. Widely used in shafting of various mechanical devices, such as pumps, fans, compressors, hydraulic machinery, machinery, printing machinery, textile machinery, chemical machinery, mining machinery, metallurgical machinery, aviation (helicopter), ship high-speed power system, steam , piston power mechanical , etc. Features: Made of high strength aluminum alloy, excellent bearing capacity, service life. Need no lubrication, convenient and quiet to use. Stable and performance, with good vibration damping, buffering and electrical insulation performance. Simple structure, small radial dimension, light weight, suitable for medium and high speed equipments. Widely used in shafting of various mechanical devices, such as pumps, fans, compressors, hydraulic machinery, machinery, printing machinery, textile machinery, chemical machinery, mining machinery, metallurgical machinery, aviation (helicopter), ship high-speed power system, steam , piston power mechanical , etc. Specification: Material: Aluminum alloy Type: Plum Coupling Shaft Nominal moment of force: 20N.m Allowable speed: 10000r/m Allowable moment of force: 10N.m Hole dia.(Optional): 8-8mm, 7-11mm, 10-10mm, 10-12mm, 11-11mm, 11-12mm, 12-12mm Size: Approx. 3*2.4cm / 1.2*0.9inch Weight: 27-29g Package Included: 1 x Plum Shaft Coupler Note: Due to the light and screen difference, the item\'s color may be slightly different from the pictures. Please allow 1-3cm differences due to manual measurement. Thank you for your kindly understanding.