Baseline Double Action Ankle Joints
Stainless Steel

Product# |
Description |
Size |
Material |
---|---|---|---|
2220-SAS |
Standard |
Adult |
Stainless Steel |
2220-MAS |
Modular |
Adult |
Stainless Steel |
Aluminum

Product# |
Description |
Size |
Material |
---|---|---|---|
2220-SAA |
Standard |
Adult |
Aluminum |
2220-MAA |
Modular |
Adult |
Aluminum |
Aluminum-Black

Product# |
Description |
Size |
Material |
---|---|---|---|
2220-SAAB |
Standard |
Adult |
Alum.-Black |
2220-MAAB |
Modular |
Adult |
Alum.-Black |
The Baseline Double Action Ankle Joints are designed to offer a slim line and sleek low profile component while still providing a strong and durable part. These joints are fully machined offering a high quality and cost-effective component. The line is offered in Stainless Steel and Aluminum with squared off channel for easy install of uprights. The Baseline Ankle Joints are offered with a standard head design for rivets, or a modular head design with tapped attachment holes for screws. The upright channel can accept 3/16” x 5’8” or 1/4” x 5/8” bar stock. This versatile joint allows for plantar and dorsi flexion fine tuning with spring assist/resist. Anterior/Posterior channels come standard with springs, but pins can be requested to lock out completely or to block dorsi or plantar motion. The joints can be purchased as joint head only or with aluminum or stainless uprights attached. Baseline Ankle Joints are proudly made in the USA!
Baseline Double Action Ankle Joint with Uprights



Stainless Steel Joint with Aluminum Upright
Product# |
Description |
Size |
AJ Material |
Upright |
---|---|---|---|---|
2220-SAS-UA1 |
Standard |
Adult |
Stainless Steel |
3/16" x 5/8" x 15 1/4" Aluminum Upright |
2220-MAS-UA1 |
Modular |
Adult |
Stainless Steel |
3/16" x 5/8" x 15 1/4" Aluminum Upright |
2220-SAS-UA2 |
Standard |
Adult |
Stainless Steel |
1/4" x 5/8" x 15 1/4" Aluminum Upright |
2220-SAS-UA2 |
Modular |
Adult |
Stainless Steel |
1/4" x 5/8" x 15 1/4" Aluminum Upright |
Stainless Steel Joint with Stainless Steel Upright
Product# |
Description |
Size |
Material |
Upright |
---|---|---|---|---|
2220-SAS-US1 |
Standard |
Adult |
Stainless Steel |
3/16" x 5/8" x 15 1/4" Stainless Steel Upright |
2220-MAS-US1 |
Modular |
Adult |
Stainless Steel |
3/16" x 5/8" x 15 1/4" Stainless Steel Upright |
2220-SAS-US2 |
Standard |
Adult |
Stainless Steel |
1/4" x 5/8" x 15 1/4" Stainless Steel Upright |
2220-MAS-US2 |
Modular |
Adult |
Stainless Steel |
1/4" x 5/8" x 15 1/4" Stainless Steel Upright |
Aluminum Joint with Aluminum Upright
Product# |
Description |
Size |
Material |
Upright |
---|---|---|---|---|
2220-SAA-UA1 |
Standard |
Adult |
Aluminum |
3/16" x 5/8" x 15 1/4" Aluminum Upright |
2220-MAA-UA1 |
Modular |
Adult |
Aluminum |
3/16" x 5/8" x 15 1/4" Aluminum Upright |
2220-SAA-UA2 |
Standard |
Adult |
Aluminum |
1/4" x 5/8" x 15 1/4" Aluminum Upright |
2220-MAA-UA2 |
Modular |
Adult |
Aluminum |
1/4" x 5/8" x 15 1/4" Aluminum Upright |
Aluminum- Black Joint with Aluminum Upright
Product# |
Description |
Size |
Material |
Upright |
---|---|---|---|---|
2220-SAAB-UA1 |
Standard |
Adult |
Aluminum |
3/16" x 5/8" x 15 1/4" Aluminum Upright |
2220-MAAB-UA1 |
Modular |
Adult |
Aluminum |
3/16" x 5/8" x 15 1/4" Aluminum Upright |
2220-SAAB-UA2 |
Standard |
Adult |
Aluminum |
1/4" x 5/8" x 15 1/4" Aluminum Upright |
2220-MAAB-UA2 |
Modular |
Adult |
Aluminum |
1/4" x 5/8" x 15 1/4" Aluminum Upright |

Baseline Double Action Ankle Joint Pin Stop, Uprights & Replacement Parts
Pin Stop

*Pins can be requested in place of springs with no up-charge.
Product# |
Description |
Size |
---|---|---|
2220-#4 |
Pin Stop |
Adult |
Pin Stops can be utilized in both channels to completely lock out joint. Pin Stops can also be utilized in posterior/anterior channel to block dorsi or plantar flexion.
Upright Only


Aluminum Upright Only
Product# |
Description |
Size |
Dimension |
---|---|---|---|
AS-UA1 |
Aluminum Upright Only-Standard |
Adult |
3/16" x 5/8" x 14" |
AM-UA1 |
Aluminum Upright Only-Modular |
Adult |
3/16" x 5/8" x 14" |
AS-UA2 |
Aluminum Upright Only-Standard |
Adult |
1/4" x 5/8" x 14" |
AM-UA2 |
Aluminum Upright Only-Modular |
Adult |
1/4" x 5/8" x 14" |
Stainless Steel Upright Only
Product# |
Description |
Size |
Dimension |
---|---|---|---|
AS-US1 |
Stainless Steel Upright Only-Standard |
Adult |
3/16" x 5/8" x 14" |
AM-US1 |
Stainless Steel Upright Only-Modular |
Adult |
3/16" x 5/8" x 14" |
AS-US2 |
Stainless Steel Upright Only-Standard |
Adult |
1/4" x 5/8" x 14" |
AM-US2 |
Stainless Steel Upright Only-Modular |
Adult |
1/4" x 5/8" x 14" |
Double Action Replacement Parts








Product# |
Description |
Size |
---|---|---|
2210-#1 |
Midsection Screw |
Adult |
2210-#2 |
Bushing - Standard S.S. |
Adult |
2210-#3 |
Spring |
Adult |
2210-#4 |
Pin Stop |
Adult |
2210-#5 |
S.S. Ball Bearing |
Adult |
2210-#6 |
Set Screw |
Adult |
2210-#8 |
Attachment Screw |
Adult |
2210-#9 |
Attachment Rivet |
Adult |
Double Action Stirrup Options

Combine the Baseline Double Action Ankle Joints with Baseline Stirrups. Certified offers Standard Tongue Stirrups, Long Tongue Stirrups, Insert (Y) Stirrups, and Split Stirrups. Click here for stirrup information.