A drop tester (1) including a gripper mechanism (2) for holding a product (37)to be tested, a guide track, a slider block (3) which is mounted to slidealong the guide track and advance the mechanism toward a target location (41)and a release device (40) for triggering release of the product from themechanism to impact at the target location, characterised in that the grippermechanism includes gripper arms (15, 16) coupled to the slider block, thegripper arms being rotatable relative to the slider block to enable theorientation of the product to be varied, relative to the target location. Theslider block is preferably releasably coupled to a hoisting block (4) which ispositionable at a predetermined location along the guide track. Morepreferably, the gripper arms are pivotally mounted to a housing (23) andcoupled to a piston (22) provided within the housing, the arms pivotingbetween a gripping position and a release position upon advancement of thepiston through the housing.
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