Size 69 (Tex 70) polyester thread is the heaviest thread most home sewing machines can handle. Use with a size 100/16 to 110 /18 needle.

New ! All Groz-Beckert Machine Needles and C.S. Osborne Hand Sewing Needle Kits

Information
Code Description Image Price Stock  
BPT069BEIX02Be Polyester - Size 69 - Natural (Eddington 001) - Bonded - Nominal 2 Oz Spool - 750 Yards $9.50 4
BPT069BEIX04Be Polyester - Size 69 - Natural (Eddington 001) - Bonded - Nominal 4 Oz Spool - 1500 Yards $11.50 3