With the current selection 3 products are available

BT7051

Ø50mm Heavy Duty Accessory Collar

Ø50mm heavy duty accessory collar

BT7052

Ø50mm Accessory Collar

Ø50mm accessory collar

BT7340

Webcam Shelf for Collar Mounting

Designed to attach to B-Tech accessory collars and mount a webcam above a pole mounted screen