Features:

• Universal caster kit for JBL products
• Compatible with SRX918S and SRX928S
• Black housing for discreet look
• Black polyurethane wheel
• Anti-rattle features for vibration-free operation

Specifications:

• Type: Accessory
• Manufacturer: JBL Professional
• Model: ACK1
• Construction Base/ Wheel: Steel with black paint Black polyurethane
• Caster Size: 90 mm 
• Caster Load Capacity: 100 kg per caster
• Dimensions: 12 x 63 x 127 mm
• Weight: 3.4 kg