Scaffold Harness-Tri-Force Harness This Tri-Force Harness is a 1 Part(M-XL Fit), with rear dorsal attachment. Entry level safety harness1 Item: Scaffold Harness-Tri-Force Harness - £17.50 ex. VAT Quantity: £17.50 ex. VAT Add to Basket Trade prices available on request subject to volume, call 03300 573537