supply of seasoned sal-wood wooden blocks.seasoned sal-wood wooden blocks.,seasoned salwood wooden blocks size 900 x 250 x 150 mm. wooden blocks should be chemically treated with red oxide and oil paint and both end secured by 25 mm x 3 mm iron strip. [ warranty period: 30 months after the date of delivery ] , seasoned salwood wooden blocks size 350 x 350 x 100 mm. wooden blocks should be chemically treated with red oxide and oil paint and both end secured by 25 mm x 3 mm iron strip. [ warranty period: 30 months after the date of delivery ] , seasoned salwood wooden blocks size 350 x 350 x 150 mm. wooden blocks should be chemically treated with red oxide and oil paint and both end secured by 25 mm x 3 mm iron strip. [ warranty period: 30 months after the date of delivery ]