3-Prong Clamps - Rapid CH12347, This die-cast aluminium alloy 3-prong clamp accepts equipment up to 90mm in diameter. Rapid 3 Prong Clamp, Adjustable Die Cast Aluminium
3-Prong Clamps - Rapid CH12346, This 3-prong clamp is made from aluminium casting and has interlocking jaws that allow it to hold objects from 1/8in. to 3.5in. diameter. Rapid 3 Prong Clamp, Adjustable Aluminium Casting
Rapid-Bosshead-Clamps-Rapid-CH12360-P-A-boss-head-clamp-for-use-with-retort-stands-etc-P-Rapid-Bosshead-Clamp-Die-cast-Aluminium-16mm