4PCS Die Grinder Collet Adapter Set – 1/4 to 1/8 Collet Adapter, 3Mm & 6Mm Chuck

【WHAT YOU GET】2Pcs x 3mm(1/8″) Die Grinder Chucks,2Pcs x 6mm(1/4″) Die Grinder Chucks,1Pcs x Storage box (Easy to carry and organize). Clamp the engraving machine firmly to improve work efficiency. Suit for 1/8″ and 1/4″ standard grinding bits.