Key features

• •➤ [Package Includes]: This set contains 17 popular sizes of woodruff keys: 2 x 10 x 2.6mm(15pcs), 3 x 10 x 3.7mm(15pcs), 3 x 13 x 5mm (15pcs ), 3 x 16 x 6.5mm(15pcs ), 3 x 19 x 7.5mm(8pcs), 4 x 13 x 5mm(10pcs), 4 x 16 x 6.5mm(10pcs), 4 x 19 x 7.5mm(8pcs ), 5 x 16 x 6.5mm(15pcs), 5 x 19 x 7.5mm(8pcs), 5 x 22 x 9mm(8pcs), 6 x 22 x 9mm(5pcs), 6 x 25 x 10mm(5pcs), 6 x 28 x 11mm(5pcs), 8 x 28 x 11mm(5pcs), 8 x 32 x 13mm(5pcs), 10 x 32 x 13mm(3pcs). All packed in a plastic box for easy storage.
• •➤ [Durable Material]: Woodruff keys are made of high quality carbon steel material, which features rust and wear resistance, and can withstand high pressure during high speed applications, very durable for long-term using.
• •➤ [Great Workmanship]: These woodruff keys have been finished by exquisite processing technic, burr-free, which touch smooth and won't scratch your fingers. And it's not easy to fall off, you can use it with confidence.
• •➤ [Semi-Circular Design]: These woodruff keys are designed to fit into the half-moon shaped grooves in the shafts. Semi-circular structure design can reduce the pressure on the shaft during high speed applicaions and improve the woodruff keys' reliability.
• •➤ [Wide Application]: Our woodruff keys are designed for pulleys and drive shaft applications, the drive commonly depend on the fit between the shaft and the cone-bored flywheel hub, which will not function when excessive force is exerted on the shaft.