These are some guitar supplies, made of stainless steel material, durable and safe. perfect for home and store etc. they have the good workmanship details, you will use them for a long time, good guitar parts for you. Sufficient quantity can meet your quantity demands. Features -Color:Silver -Material:Stainless steel -Size:1.50X1.50X0.20cm/0.59X0.59X0.08in -Note:3/8" thread only fits most POTS and jacks (not compatible with Switchcraft 3 position ),Use 1/2 "wrench for nuts; Plain washer OD 5/8 ", OD 3/8" - Note: Use 1/2" wrench for nut; flat washer 5/8" OD, 3/8" ID -Manufactured with safe and reliable stainless steel material, durable and reliable for use. -Nuts and Washers with sufficient quantity, can meet your quantity demands, enough to replace. -You can use it for yourself or give it as a gift to beginners or friends, or guitar lover, repairer. They will be encouraged. -You can get this potentiometer nut and washer at an absolutely favorable price. Don't hesitate. You deserve one. -Small and light, which is convenient to carry. Simple design yet practical for use, Used for guitar pots and input output jacks. Package list: 10 x nuts 10 x washers