4-1780 Dowell / Boral BST Sliding Window Roller 
CiiLock dual adjustable nylon roller carriage suits the Alspec Pro Glide sliding door suite.
For triple roller use 1-1517
Brand
CiiLock
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Discontinued
Adjustable aluminium sliding door carriage with dual nylon rollers suits Capral 889 series doors.
* Section 1 - Door Roller Assemblies
Adjustable sliding door carriage with stainless steel rollers suits Capral Platinum series doors. Will replace 1-1500.
* Section 1 - Door Roller Assemblies
Timber door dual roller carriage with nylon rollers
Discontinued
Aluminium sliding door roller housing with dual nylon rollers. This product has been discontinued and no alternative is available.
* Section 1 - Door Roller Assemblies
2000 series dual roller carriage – 18.3mm wide. Replaces 1-1692 Doric 1000 Series door roller 1-3210 CiiLock may be a possible replacement.
* Section 1 - Door Roller Assemblies
Adjustable sliding door carriage with dual nylon rollers
* Section 1 - Door Roller Assemblies
Adjustable sliding door carriage with dual steel rollers. Use 11-1650 as replacement.
* Section 1 - Door Roller Assemblies
Timber door dual roller carriage with dual nylon rollers. See also 1-1530, 1-1540 & 1-1590.
