A" HERCULES QUICK-SET INC" PROFESSIONAL HIGH WIEGHT CAPACITY TRIPOD.TOP ATTACHMENT CONTROL SECTION HAS 5221 HERCULES , INC. LEGS HAS 5320 HERCULES, INC. VINTAGE POST 70'S IN VG! CONDITION WITH EVERY ADJUSTMENT.MEASURES 4-1/2 FEET FOLDED STANDING-7-1/2 FEET FULLY EXTENDED RANGE.WITH LEGS SPREAD THE FURTHEST--------------------------------------------------------------------------------------------------------------------------------------------------MADE FOR CAMERAS TO VERY HEAVY MOVIE ...EQUIPMENT OR HEAVY SCIENCE INSTRUMENTS. 25-30 LBS.PADDED BALL JOINT FEET WITH HOLES TO ATTACH TO FLOOR-SCREWS.-------------------------------------------------------------------------------------------------------------------------------------------------------------------HEAVY DUTY NON -SAG DESIGN-SOLID THICK TELESCOPING LEGS .3 HEAVY T-BAR ALUMINUM ALLOY PIECES HOLD LEGS FROM SPREADING.HAS HOLE UNDER TRIPOD ON CENTER JOINT WHERE 3 T-BARS MEET-A HOLE IS PROVIDED IN THE CENTER BOTTOM JOINT FOR HANGING A STABILIZING WIEGHT.AN "S" HOOK WOULD HOOK INTO HOLE QUICKLY-ON OR OFF. HAS ALL LOCKING HAND ROTATED THREADED BARS AS EXPECTED TO HOLD THINGS LOCKED IN EVERY POSITION.SPRING LOADED TOP UNIT.THREADED CAMERA BOLT STICKING OUT FOR COMMON HELD HAND CAMERAS ------------------------------------------------------------------------------------------------------------------------------------------------------------------CAN BE CHANGED TO A HEAVIER BOLT THREAD FOR A DIFFERENT INSTRUMENT OR CAMERA ATTACHMENT FROM UNDERNEATH. THE TOP IS THICK ENOUGH AND DESIGNED FOR MACHINING NEW HOLES IF NEEDED FOR MOST EVERY INSTRUMENT OR CAMERA ETC.THIS HAS BEEN DONE COMMONLY CAUSING NO PROBLEMS.THE HEAVY UNIT ISN'T AFFECTED BY THESE CHANGES.AGE CANNOT BE ASCERTAINED.POST 70'S-KEPT INDOORS ALWAYS-NOT ABUSED.A RARE MULTI-USE TRIPOD MANY PEOPLE SEARCH FOR.THEY HAVEN'T BEEN AROUND.BECOMING SCARCER AND SCARCER WITH THE INTRODUCTION OF A MULTITUDE OF LIGHTER WIEGHT TRIPODS THAT ARE FOR ALL KINDS OF USE."HERCULES" WAS AND STILL IS A "CLASSIC DO ALL TRIPOD"ONLY ONE ON EBAY THAT I HAVE SEEN IN SEARCHES SO FAR. 575.00, FREE SHIPPING, CONTINENTAL USA.PACKAGED PROPERLY 20 YEARS EXPERIENCE.