brother overlocker upper blade XB0563001 (old sku, once sold out refer to new sku please), XB1687001 (same product new sku)

Compatible with the following machines:

• 734D
• 925D
• 929D
• 934D
• 1034D
• 1334D
• 2104D
• 3034D(WT)
• M343D

We recommend changing upper and lower knives together as, this can help avoid the new blade getting damaged or wearing prematurely, by cutting against anolder blade