Foam insert fits SKB 3R2817-10 case or equivalent. Cutouts in foam designed to securely hold and protect 10 ATUC-IRDU infrared discussion units, 10 ATUC-M43H, ATUC-M58H or ATUC-M32L microphones, 20 LI-240 lithium-ion batteries, one ATCS-B60 charger, and one small accessory. Case not included.For wireless DUs, mics, and accessories only.Foam insert fits SKB 3R2817-10 case or equivalent. Cutouts in foam designed to securely hold and protect 10 ATUC-IRDU infrared discussion units, 10 ATUC-M43H, ATUC-M58H or ATUC-M32L microphones, 20 LI-240 lithium-ion batteries, one ATCS-B60 charger, and one small accessory. Case not included. For wireless DUs, mics, and accessories only.