description 5 in. x 5 in. steel base plate for scaffolding the 5 in. x 5 in. base plate is constructed of industrial strength steel. it slips easily into the base of the scaffolding tower to add solid grounding to get the job done safely and effectively. the base plate has a 1/4 in. hole for a safety pin to secure it in place. the base plate is also interchangable and is compatible with a socket end leveling jack. california proposition 65 warning. features all steel design versitile and compatible with socket-end leveling jack 5 in. x 5 in. in size for solid grounding requires safety locking pins specifications acme tools brand name acme tools shop acme tools part number bpb assembled weight (lbs) 3 california proposition 65 warning required yes country of origin china globaltradeitemnumber (gtin) 00837654766071 internet product code (ipc) bd1218096b4 ladder accessory category scaffolding length (in) 5 manufacturer warranty no warranty package weight 3 package weight (lbs) 3 scaffolding type scaffold accessories upc 837654766071 width (in) 5