PanaVise 502 Precision PanaPress Reversible ram applies up to 1/4 ton (500 lbs. / 227kg) of pressure and is 0.75-Inch x 0.75 (19.1mm x 19.1mm) square and 5.875 (149.2mm) long Four adjustable nylon gibs provide exceptional ram control. Arm is 8 (203.2mm) long. Base footprint is 3.7 x 7 (94mm x 177.8mm) and includes four 0.25 (6.3mm) holes countersunk at the corners for bolting to a work surface Height (from base to top of back not including variable ram height or arm length): 7 (177.8mm), Weight: 5.4 lbs. (2.5kg) One end of the ram is reamed 0.251 (6.4mm) for adding tooling Limited Lifetime Warranty!