Uptech Engineering offers Ultra Support Screw Jack. Uptech Engineering H&G V Block with Clamp, H&G Precision Grinding Vice & Screw Type Grinding Vice, Permanent Magnetic Chuck, Sine Table`s, Magnetic Sweeper`s, Permanent Magnetic Lifter, Roller Bearing "V" Block, Magnetic Base, Heavy Duty Electromagnetic Chuck, H & G Try-Square & Straight Edge and Electroperm Magnetic Chuck. The Ultra Support Screw Jack is made from good quality alloy steel material. This Screw has safe and reliable adjustment of height. This Screw has locknut for adjustment and can be used with different pads.