Quick Answer: The Retort Clamp, 3 Finger, Rubber Sleeve grips round-bottom flasks, condensers and other cylindrical or irregular glassware on a support stand. It is die-cast aluminium alloy with three padded fingers and opens to hold diameters from 15mm up to 85mm.
Last updated: October 2026
Key Features
Three-prong jaw gives three points of contact and limits rotation
Padded fingers cushion glassware
Two screws adjust the prongs independently for centring
High-pressure die-cast aluminium alloy body
Epoxy powder coating; steel pivot pins
Technical Specifications
Specification
Value
Body
High-pressure die-cast aluminium alloy
Grip
3-prong (triple finger)
Adjustment
Dual-screw independent prong control
Opening capacity
15mm up to 85mm diameter
Surface finish
Epoxy powder coating
Pivot pins
Steel
Compatibility
Laboratory bossheads and retort support rods
About This Product
The clamp is attached to a retort stand through a boss head to hold flasks and condensers in line over a heat source during distillation, or to steady titration set-ups. Independent prong screws make it easier to centre heavy or uneven glassware in chemistry practicals at school and university level.
Frequently Asked Questions
What size of glassware does the 3 Finger Retort Clamp hold?
Its opening accommodates diameters from 15mm up to 85mm.