Science Lab Universal Retort Stand Clamp 4 Prongs

Specification:

Product features: Retort Clamp Chrome Plated Clamp has a 5.65" long rod which is 0.314" ( 8 mm) diameter.
Adjustable Jaw capacity is 0" to 4" Cork Coating on Prongs Attaches to retort rod and clamps to glassware
Product description of Universal Retort Stand Clamp 4 Prongs: The chrome plated 4 prong retort clamp is ideal for clamping glassware of various sizes onto retort rods - the cork coating on the prongs provides protection from scratching vessels being held. Clamp has a 5.65" long rod which is 0.314" ( 8 mm) diameter.
Adjustable Jaw capacity is 0" to 4"