description 10- pack plastic plank spacers crain plastic plank spacers 562 maintain the proper size gap even when the adjacent wall is undercut. the v-shape rests against the face of the plank to prevent the spacer from tipping. california proposition 65 warning. specifications acme tools brand name crain acme tools part number 562h assembled weight (lbs) 5.0 california proposition 65 warning required yes globaltradeitemnumber (gtin) 00734995562006 package weight 6 package weight (lbs) 6 upc 734995562006