WHEATON W225628 Electric Capper/Decapper Supporting Claws, 20mm, Shinetek Instruments Research Institute (CAT#-STEM-L-5739-LGZ) WHEATON W225621 Electric Capper/Decapper Supporting Claws, 11mm, Shinetek Instruments Research Institute (CAT#-STEM-L-5734-LGZ) WHEATON W225622 Electric Capper/Decapper Supporting Claws, 13mm, Shinetek Instruments Research Institute (CAT#-STEM-L-5735-LGZ) WHEATON W225623 Electric Capper/Decapper Supporting Claws, 20mm, Shinetek Instruments Research Institute (CAT#-STEM-L-5736-LGZ) WHEATON W225626 Electric Capper/Decapper Supporting Claws, 11mm, Shinetek Instruments Research Institute (CAT#-STEM-L-5737-LGZ) WHEATON W225627 Electric Capper/Decapper Supporting Claws, 13mm, Shinetek Instruments Research Institute (CAT#-STEM-L-5738-LGZ)