Ball-bearing partial extension runners for 17mm groove: Do-It-Yourself with Hettich 

Ball-bearing partial extension runners from Hettich guarantee smooth action and high lateral stability from hardened steel ball inside a noise-absorbing ball cage.
Our ball-bearing partial extension runners for drawers with a 17 mm groove provide a loading capacity of up to 10 kg.
To make it easier to find the product you are looking for in a DIY store, we have provided a letter-based guide system on our DIY packaging and on all related information material: in this system, ball-bearing partial extension runners for drawers with a 17 mm groove always carry the letter "B". The number following the letter B indicates the drawer length each runner can be used for.
For more information, visit www.hettich.com