|
Wheel diameter |
50 and 75 mm |
|
Cylinder wheel |
steamed beech, silky-mat transparently varnished |
|
Tread |
hard: without tread rings |
|
|
soft: with 2 tread rings made of polyurethane |
|
|
( non-marking, non-staining, resistant to abrasion ) |
|
Housing |
steel - broad type, zinc plated |
|
Swivel action |
double ball race in the swivel head |
|
Wheel bearing |
plain bearing, design screws |
|
Fixing |
bolt hole |