5 Types Optional: M3 0.5; M4 0.7; M6 1.0; M8 1.25; M11 1.5. Thread Quantity: AS PICTURE SHOW.

Models: 30PCS M3 * 0.5
Material: Steel
Color: Silver
Thread Quantity: As Picture Show
Model: M3, M4, M6, M8, M11(Optional)
Type: Heli-Coil Insert
Set or Single Item: Set
System of Measurement: Metric
Brand: Unbranded/Generic
ASIN: RNBNIIFMPQ