- The positive-locking holder can only be used in one position - The holder has a screwed-in locking pin to prevent it from being inadvertently tunred out of position - Diameter 40 mm
- further development of the 2022 HL - no metal parts - fastening screw made of plastic or stainless - thread according to customer specification - centre column made of wood 50 cm/ 20? , Ø 25 mm/ 1? - clamping elements with wooden thread - ideal for particularly sensible measurements - Wooden thread at centre column clamping and leg extensions, plastic at foot end and centre column.