Specification Brand : Generic BulletPoint1 : [Size] - Inner Diameter: 85mm / 3.34inch; Clamp Max Open Width: 25mm / 0.98inch. BulletPoint2 : [Material] - Made of iron with chrome plated finish for durability and acid-resistance. BulletPoint3 : [Easy Use] - The thumbscrew in the clamp locks the ring tightly to a stand. BulletPoint4 : [Application] - Laboratory suppert ring is used to hold laboratory glassware and other items on a ring stand. BulletPoint5 : [Package Content] - 3 x Support Ring Color : Multiple Colors ItemName : XYWHPGV Support Ring with Clamp Iron 3.3 Inch Diameter Closed Plastic Knob for Laboratory Experiment Silver Tone 3Pcs(93812 e2816 35f1d a24cf 3d439 f0605 ItemTypeKeyword : science-lab-clamp-holders Manufacturer : XYZOOM Material : Other ModelNumber : 4f828ba75aa55e3865b89cdd8ed558 PartNumber : df8d1258-ea2e-09c7cff85320dd PowerSourceType : Manual ProductDescription : Description: Iron material with chrome plated finish could prevent iron from rusting. Laboratory retort ring is is suitable for chemistry experiment. This item is used to support a variety of beakers, flasks, etc. Support rings with clamp at the end can keep the ring tight on your stand. Specifications: Material: Iron(Chrome Plated), Plastic Color: Silver Tone, Blue Total Size: 195 x 85 x 98mm / 7.68" x 3.34 x 3.86"(L*ID*OD) Clamp Max Open Width: 25mm / 0.98" Package Content: 3 x Support Ring ProductSiteLaunchDate : 2024-01-03T09:35:05.770Z Size : Large Style : Manual UnspscCode : 27110000