Reciprocating or reversing screw with block 10mm Pitch 200 Working Length

Description

SUS 10mm diameter
Reciprocating screw n nut
The screw is specially manufactured with a special nut to reciprocate at its travel ends.
It's different with a normal lead screw or ball screw which is one direction no return running except you change the motor from CW to CCW vice versa.
RS1010-80 10mm pitch 80mm working length 330mm total
RS1010-100 10mm pitch 100mm working length 200mm total
RS1010-200 10mm pitch 200mm working length 300mm total
RS2020-250 20mm pitch 250mm working length 460mm total
RS2525-500 25mm pitch 500mm working length 700mm total
(https://www.ebay.com/itm/352803386546)