Premium Clamp - Two Prong with Bosshead, Maximum clamp opening is 11 cm, Swivel between Clamp and Bosshead, Boss accommodates to 18 mm rod, High Strength Alloy Bosshead, Constructed of powder coated high grade zinc alloy
Concave Mirror, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may minor imperfections that do not affect physical function, thickness varies as they are not designed, Size: 3in diameter, 200mm Focal Length - 3mm Thick
Premium Clamp - Two Prong, Clamp constructed of powder coated high grade zinc alloy 2 cork lined prongs attached to stainless steel rod, Maximum clamp opening is 12 cm, Stainless Steel Connecting Rod 14cm, Completely metal constructions, Thread fitted actuating joints
Assorted Spring Set, An assortment of 150 compression and extension springs ranging from 15 to 300 mm in length, 4 to 18 mm dia. and 16 to 32 s.w.g in wire thickness, Weight (lb): 5.7, Length (in):7.9, Width (in):7.1, Height (in):5.5
Premium Clamp - Four Prong with Bosshead, Clamp constructed of powder coated high grade zinc alloy, Clamp prongs (4) are vinyl coated, Maximum clamp opening is 10.5 cm, Swivel between Clamp and Bosshead, Boss accommodates to 18 mm rod, High Strength Alloy Bosshead
Premium Bosshead - Heavy Duty, Industrial Series Heavy Duty Powder Coated Bosshead for rods up to 16 mm, Thicker than normal 7 mm threaded clamping screws, Thicker casting to support more load, Accepts up to 16 mm rods, Made of high strength powder coated alloy
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