Welact 10 family have two possibilities, the first incorporates  Ball Bearing screw, while the second is the WA10 which gets Acme screw,  and is available in 457.20 and 609.60 exclusively.The Ball Bearing screw  is useful for maximum load strength.

The WB10 has a brake to allow keeping the load in compression as traction. The brake activates when the equipment tension is off.Its  hardy design and the benefits make this actuator one of the most wearable at the industry.