Specifications and models:

Small Disc 20 holes-total length 0.1 meters

Small Disc 20 holes -1 m in length

Small Disc 20 holes-total length 1.8 meters

Small Disc 20 holes-total length 2.8 meters

Small Disc 20 holes-total length 4.8 meters

Small disc 15 hole with USB -- total length 0.1 meters

Small disc 15 holes with USB -- 1 m in length

Small disc 15 hole with USB -- total length 1.8 meters

Small disc 15 hole with USB -- total length 2.8 meters

Small disc 15 hole with USB -- total length 4.8 meters

Large disc 15 holes-total length 0.1 meters

Large disc 15 holes -1 m in length

Large disc 15 holes-total length 1.8 meters

Large disc 15 holes-total length 2.8 meters

Large disc 15 holes-total length 4.8 meters

Large disc 15-hole with USB -- 0.1 m in length

Large disc 15 holes with USB -- 1 m in length

Large disc 15-hole with USB -- 1.8 m in length

Large disc 15-hole with USB -- 2.8 m in length

Large disc 15-hole with USB -- 4.8 m in length

Wood grain socket 14-hole sub-control-total length 0.1 meters

Wood grain socket 14-hole sub-control-total length 1 m

Wood grain socket 14-hole sub-control-total length 1.8 meters

Wood grain socket 14-hole control -2.8 m in length

Wood grain socket 14-hole sub-control-total length 4.8 meters

Wood grain socket 14 holes with USB -- 0.1 meters in length

Wood grain socket 14 holes with USB -- 1 m in length

Wood grain socket 14 holes with USB -- 1.8 meters in length

Wood grain socket 14 holes with USB -- 2.8 meters in length

Wood grain socket 14 holes with USB -- 4.8 meters in length