EISCO 3-Finger Lab Clamp with Bosshead Clamp Holder for Lab Stand Rod - PVC Coated Prongs for Holding Objects up to 3.5" Diameter - Beaker Holder, Flask Clamp with Swivel Boss Head Description Features: DIE CAST ALLOY || Die cast alloy construction is strong and corrosion-resistant WIDE JAWS || 3-finger jaws on clamp open to 3.5 (90mm) wide for holding a wide range of glassware sizes and volumes PVC COATED PRONGS || PVC-coated prongs provide a strong, slip-free hold that wont scratch objects. PVC coating can withstand heat up to 100C for short periods of time but it is recommended you remove the PVC coating for extreme temperature uses SWIVEL BOSSHEAD || Swivel bosshead for rotating clamped objects 360. Bosshead attaches to rods up to 15mm in diameter. Clamp extends out approximately 5" from rod (not adjustable) GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use Product Details: Brand: EISCO Item Dimensions LxWxH: 9 x 2 x 3 inches Color: Black Metallic Style: Adjustable Item Weight: 0.35 Pounds Is Discontinued By Manufacturer ‏ : ‎ No Product Dimensions ‏ : ‎ 9 x 2 x 3 inches; 5.6 Ounces Item model number ‏ : ‎ CH0688 Date First Available ‏ : ‎ January 4, 2013 Manufacturer ‏ : ‎ EISCO Country of Origin ‏ : ‎ India Best Sellers Rank: #25,344 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #1 in Lab Beaker Clamps #1 in Lab Beaker Clamps Customer Reviews: 4.6 4.6 out of 5 stars 669 ratings