D-type Universal Joints with solid bores incorporate a standard pin and block design and are ideal for applications with angles up to 25 deg and speeds of up to 1750 RPM. Boot retaining grooves are standard. For optimal wear and extended life, lubrication and boots are required. (Boots are available for purchase separately). Lovejoy® Universal Joint, Type D Pin and Block, D12B Size, 1 in Dia x 1-1/2 in D Bore, 2 in Diameter Joint, 15600 in-lb Static Torque, 1750 RPM Maximum, 5.44 in Overall Length, 2.72 in Pin Height, 25 deg Maximum Misalignment Angle, Steel, Metallic