ISPINNER 220Pcs Roll Pin Set, Stainless Steel Slotted Spring Pin Assortment
It includes M1.5x6(20pcs), M2x18(20pcs), M2.5x10(20pcs), M2.5x18(20pcs), M3x6(20pcs), M3x12(20pcs), M3x18(20pcs), M4x8(15pcs), M4x10(15pcs), M4x14(15pcs), M4x20(15pcs), M5x30(10pcs), M6x30(10pcs). The grooved side is smooth and has no burrs.