MANUAL CLAMPING TECHNOLOGYScrew clamp type 811 screw clamp type quick release with horizontal foot 821 screw clamp type quick release 822 screw clamp type quick release with horizontal foot 831 screw clamp type quick release with horizontal foot 841 V-clamp type quick release flat base 841-D Type of screw clamp with a flat base AL-50350 Collet AL-50360 Manual collet with adjusting screw AL-50380 Manual collet with adjusting screw AL-50385 Collet AL-50450 Manual collet with 2 adjusting screws AL-50480 Manual collet with quick release lever AL-51000 welding tongs collet AL-511-SP Collet