$0.55

Sliding sash top guide suits Dowell / Boral BST sliding windows.   

$22.76

2 stage plastic carriage with dual nylon bearing rollers suits Capral 280/580 series. Replacement roller is Rollerco part 4-2070. For single roller version, see Rollerco part 4-1570   

$25.22

Showcase carriage with stainless steel bearing roller.   

$19.11

Steel window carriage with grooved nylon roller and brass axle.

$24.36

Sliding window carriage with stainless steel needle bearing roller. Will replace 4-1510 and 4-1700